Derivatizing amino acids doesn’t have to take hours to do. A more hands-off solution can save your lab hours of prep work. And help you trust your data even more.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_How_to_Cut_HPLC_Sample_Preparation_Time_for_Derivatizing_Amino_Acids_f41f58db04.jpeg" alt="Thermo Fisher Scientific: How to Cut HPLC Sample Preparation Time for Derivatizing Amino Acids." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_How_to_Cut_HPLC_Sample_Preparation_Time_for_Derivatizing_Amino_Acids_f41f58db04.jpeg 245w," sizes="100vw" width="1024" height="512">Ever wonder what makes a simple molecule like valine so complicated to measure?Amino acids—the building blocks of proteins—are everywhere. In your food. Body. And even the fertilizers that help grow our food. But measuring these compounds precisely? That’s a classic analytical headache, even for an experienced chromatographer.Ask any lab scientist who’s done amino acid analysis, and they’ll tell you the chromatographic separation isn’t the hard part. The challenge is sample preparation, or everything before the chromatography. Handling toxic reagents. The repeated pipetting. And then timing the derivatization reactions just right.All these manual steps can contribute to lower method precision and data reproducibility.So, what’s the solution? Using a more hands-off approach. You get the same trusted chemical reaction, but your method is now faster, cleaner, and more reliable.Let’s walk through a real-life example of how your lab can derivatize amino acids directly inside the HPLC autosampler needle.<h3>Key takeaways</h3><div><ul><li>Manual derivatization of amino acids is laborious, error-prone, and handling toxic chemicals can pose health hazards to lab staff.</li><li>Automated in-needle OPA/FMOC derivatization of amino acids is a time- and labor-saving approach for HPLC-FLD analysis.</li><li>Reliable method performance, column stability over several hundred injections, and using inexpensive reagents facilitates high sample throughput at low costs per sample for routine laboratories.</li><li>Sample matrices of medium and high complexity (beverages, food, fertilizers) using in-needle derivatization is robust and reproducible.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_How_to_Cut_HPLC_Sample_Preparation_Time_for_Derivatizing_Amino_Acids_2_a906250f79.jpeg" alt="Thermo Fisher Scientific: How to Cut HPLC Sample Preparation Time for Derivatizing Amino Acids: Illustration showing manual derivatization versus in-needle derivatization." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_How_to_Cut_HPLC_Sample_Preparation_Time_for_Derivatizing_Amino_Acids_2_a906250f79.jpeg 245w," sizes="100vw" width="700" height="410"><h3>Why does the derivatisation of amino acids still matter when aerosol detectors are an option? The unmatched sensitivity of fluorescence detection compared to evaporative technology.</h3>Most amino acids don’t have double bonds that naturally absorb UV light, meaning your HPLC detector can’t “see” the compounds directly.To solve these visibility issues, chemists use derivatization. The conjugation reaction is brilliant chemistry, facilitating the formation of <a target="_blank" rel="noopener noreferrer" href="https://www.thermofisher.com/content/lifetech/global/en/home/industrial/chromatography/chromatography-learning-center/liquid-chromatography-information/hplc-system-components/how-hplc-detectors-work.html">fluorescent derivatives</a> suitable for sensitive and precise analysis.This technique involves reacting amino acids in the solution for analysis with reagents that make the amino acids fluorescent. The most common pair are OPA (ortho-phthaldialdehyde) for primary amino acids and FMOC-Cl (9-fluorenylmethyloxycarbonyl chloride) for secondary ones.Now here’s what can go wrong. You measure reagents, mix samples by hand, wait for the reaction, then inject onto your HPLC instrument. Small inconsistencies, such as a few seconds too long or a reagent variation, can mean BIG differences in peak response, method accuracy, and data reproducibility. Removing these inconsistencies is where automated in-needle derivatization comes in.<h3>Let your HPLC autosampler needle handle the not-so-friendly laborious tasks</h3>Switching from manual to automated in-needle derivatization can help make this labor-intensive process easier for everyone in your lab, while improving data consistency and overall lab safety. &nbsp;Here’s how:<div><div><ul><li>Instead of manually preparing reaction mixtures, you can use a compatible instrument, like<a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products?category=37&amp;manufacturerItems=3&amp;search=vanquish"> Thermo Scientific Vanquish LC Systems</a>, to perform in-needle derivatization.</li><li>And, with the helpful guidance of supporting software, you can automatically mix samples and reagents in the needle, time the reaction more precisely, and inject the derivatized sample onto the column.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_How_to_Cut_HPLC_Sample_Preparation_Time_for_Derivatizing_Amino_Acids_3_5c636b1584.jpeg" alt="Thermo Fisher Scientific: How to Cut HPLC Sample Preparation Time for Derivatizing Amino Acids: In-needle derivatization of primary and secondary AAs with OPA/MPA and FMOC-Cl reagents for subsequent LC analysis of the fluorescent derivatives. *Borate buffer pH 10, **acetic acid for quenching." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_How_to_Cut_HPLC_Sample_Preparation_Time_for_Derivatizing_Amino_Acids_3_5c636b1584.jpeg 245w," sizes="100vw" width="768" height="384"><h3>A real-life example showcasing better efficiency, robustness, and throughput capabilities.</h3>What makes this automated workflow stand out isn’t a new reaction—but rather a faster way of working with your HPLC instrument.The reactions between OPA/MPA and FMOC-Cl still happen as before, but now the reaction is controlled digitally through <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/cn_003698_hplc_vanquish_workflow_amino_acid_analysis_derivatization_cn003698_na_en_e76e3abe44.pdf">Thermo Scientific Chromeleon Chromatography Data System</a> (CDS).As demonstrated in our whitepaper, each reagent draw, mix, and injection step is defined in a Custom Injection Program (CIP), eliminating timing errors and variability. <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/76">Chromeleon CDS</a> visualizes every step in its Instrument Method Editor, tracks parameters in real time, and logs events in the Audit Trail for compliance.And since the workflow design has flexibility in mind, you can use Chromeleon CDS or a <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/ab_004093_hplc_vanquish_core_amino_acids_needle_derivatization_ab004093_na_en_edb37df857.pdf">third-party software</a>, with identical parameters, which gives your labs the freedom to work within your preferred environment without retraining staff or rewriting SOPs.<h3>Trusting your data and a faster derivatization technique. That’s the science behind putting your sample preparation inside the needle.</h3>The most beneficial part of this workflow is the hours of time your lab and broader QC team will save.<ul><li>Consistent fluorescence response and accurate quantitation for all amino acids</li><li>Excellent injection-to-injection reproducibility, even across reagent batches</li><li>Improved safety through reduced manual solvent handling</li><li>Less hands-on time, freeing analysts for higher-value work</li><li>Seamless CDS integration for full audit traceability</li></ul>So next time you’re pipetting derivatization reagents by hand, secretly wishing there was a better way, why not consider an automated method approach?You get the same chemistry, performed automatically inside the autosampler, hands-free, ready to inject in minutes with reproducible data that you can trust.Learn more about this new automated amino acid analytical workflow in our <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/cn_003698_hplc_vanquish_workflow_amino_acid_analysis_derivatization_cn003698_na_en_e76e3abe44.pdf">customer application note today</a>.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_How_to_Cut_HPLC_Sample_Preparation_Time_for_Derivatizing_Amino_Acids_4_341aed0b3a.jpeg" alt="Thermo Fisher Scientific: How to Cut HPLC Sample Preparation Time for Derivatizing Amino Acids: Chromatographic results of calibration standard (50 µM) measured with the Vanquish Core HPLC system, comparing method performance on 1st and 14th day of measurements." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_How_to_Cut_HPLC_Sample_Preparation_Time_for_Derivatizing_Amino_Acids_4_341aed0b3a.jpeg 245w," sizes="100vw" width="768" height="384"><h3>Helpful tips to improve method robustness with Vanquish LC Systems+ Chromeleon CDS</h3><ol><li>Use a 100 µL sample loop for thorough and reproducible mixing of the sample and reagents during the derivatization step.</li><li>Install a passive pre-heater to facilitate proper dilution of the reagents before the column.</li><li>Use guard cartridges for your columns and replace the cartridges when column performance diminishes. Apply smart tools like intelligent run control in Chromeleon CDS for automated checks.</li><li>Replace derivatization reagents in your autosampler daily.</li><li>Periodically flush your column with 100% acetonitrile for 30 minutes to remove persistent reaction products and matrices.</li></ol><blockquote>Visit us on&nbsp;<a target="_blank" rel="noopener noreferrer" href="https://www.linkedin.com/showcase/72003132/admin/dashboard/">LinkedIn:</a>&nbsp;#AutomatedSamplePreparation #HPLC</blockquote></div></div></div>

How to Cut HPLC Sample Preparation Time for Derivatizing Amino Acids

<h3>How long does it actually take to install all the capillaries and fittings on a conventional HPLC system?</h3><h4>The Small Components That Matter Most</h4>When people think about HPLC systems, they often focus on pumps, detectors, columns, or software. Capillaries and fittings are usually seen as minor components because they are relatively inexpensive and physically small. However, every chromatographer eventually discovers that these tiny parts can have a major influence on system performance.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Connecting_a_U_HPLC_system_can_be_difficult_at_some_poorly_accessible_locations_3b837b441b.webp" alt="KNAUER: Connecting a (U)HPLC system can be difficult at some poorly accessible locations" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Connecting_a_U_HPLC_system_can_be_difficult_at_some_poorly_accessible_locations_3b837b441b.webp 208w," sizes="100vw" width="720" height="540">Even decades ago, chromatographers recognized the importance of proper connections. In the 1980s, long before UHPLC became common, John Dolan wrote about minimizing dead volume through correct fitting installation. Today, with UHPLC systems operating at extremely high pressures and using columns with very small particle sizes, dead volume is even less tolerable than before. The topic remains just as relevant today as it was back then.Interestingly, despite what many users assume, the chromatographic column itself is often not the primary source of HPLC or UHPLC problems. In my experience, poor connections are far more commonly responsible for issues such as peak broadening, leaks, or loss of efficiency.<h4>The Early Days of HPLC Capillaries</h4>Anyone who has been working with HPLC for many years will probably remember the era of rigid 1/16" stainless steel tubing. Whenever PEEK tubing was unsuitable, stainless steel capillaries were the standard choice.Setting up a system back then was far from convenient. You first had to locate an appropriate length of tubing somewhere in a drawer full of capillaries. Usually, this meant finding a several-meter-long piece and cutting it yourself using a dedicated capillary cutter. After cutting, you needed to ensure the tubing end was smooth and undamaged, hoping that the previous person using the cutter had not accidentally crushed the inner diameter.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Standard_1_16_Capillary_and_needed_tools_and_the_drawer_we_all_know_pretty_well_943d7ed0b2.jpg" alt="KNAUER: Standard 1/16” Capillary and needed tools and the drawer we all know pretty well" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Standard_1_16_Capillary_and_needed_tools_and_the_drawer_we_all_know_pretty_well_943d7ed0b2.jpg 245w," sizes="100vw" width="1277" height="456">Once cut, the tubing often required additional preparation. You might need to deburr the capillary using a grater, shape it carefully with bending tools, and then finally install it using separate fittings and ferrules. And of course, everyone remembers the frustration of dropping a ferrule onto the laboratory floor, where it effectively disappeared forever.At the same time, laboratories often accumulated drawers filled with pre-assembled capillaries that had fixed fittings attached. Reusing these assemblies was risky. If the fitting geometry did not perfectly match the receiving port, users could unintentionally introduce dead volume into the system. The result was often degraded chromatographic performance, broad peaks, and frustrating troubleshooting sessions involving the entire laboratory team. In worse cases, excessive force could damage threads or receiving ports while attempting to stop leaks.During that period, assembling and connecting a complete HPLC system could easily consume half a day of work.<h4>The Improvement: Flexible and Pre-Cut Capillaries</h4>Later, laboratories gradually adopted pre-cut tubing and flexible capillaries, which represented a significant improvement over manually preparing stainless steel tubing.With these newer capillaries, users simply selected the correct length and installed the tubing directly. Flexible capillaries adapted naturally to the required shape, eliminating much of the manual bending and shaping work. Installation became faster, easier, and far less stressful.Still, these systems had limitations. Although the capillary itself improved, the fitting technology remained largely unchanged. Many of these capillaries were still effectively single-use components. If a connection was installed incorrectly because the tubing was not fully inserted into the receiving port before tightening, the result was often another unusable capillary destined for the growing “capillary drawer.” Sustainability was certainly not a strong point of these systems.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_A_typical_capillary_drawer_It_was_tricky_to_open_and_close_it_sometimes_530dd2087c.webp" alt="KNAUER: A typical capillary drawer. It was tricky to open and close it sometimes" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_A_typical_capillary_drawer_It_was_tricky_to_open_and_close_it_sometimes_530dd2087c.webp 208w," sizes="100vw" width="1024" height="768">Even with these advancements, system setup still required considerable time and effort.<h4>The Real Breakthrough: Modern Tool-Free Connection Systems</h4>A major breakthrough finally arrived when manufacturers introduced a completely redesigned fitting and capillary concept aimed specifically at simplifying UHPLC connections.These newer systems came with fittings pre-installed directly on the capillary. Unlike traditional ferrule-based systems, the fittings automatically adjusted to different port depths and sealed directly at the bottom of the port. This dramatically reduced the amount of torque required and eliminated the need for complicated installation techniques.Perhaps the biggest advantage was convenience. These capillaries could be connected and disconnected more than 100 times without tools, while remaining entirely finger-tight. And best of all, ferrules no longer disappeared onto the laboratory floor.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_The_little_things_that_do_the_click_3a0469d516.jpg" alt="KNAUER: The little things that do the “click”" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_The_little_things_that_do_the_click_3a0469d516.jpg 245w," sizes="100vw" width="1866" height="1022">The system I currently use includes an especially useful feature: a patented torque-limiting mechanism that prevents both under-tightening and over-tightening. Once the correct torque is reached, the fitting produces a tactile “click,” providing immediate feedback that the connection is secure and properly installed every time.<h4>From Half a Day to Fifteen Minutes</h4>Thanks to these modern connection systems and pre-configured startup kits, installing an HPLC or UHPLC system today is dramatically faster than it used to be.What once consumed hours of work can now be completed in less than 15 minutes. The improvements in usability, reproducibility, and sustainability over recent years have been remarkable.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Trouble_free_connection_systom_for_HPLC_and_UHPLC_e62b80154b.webp" alt="KNAUER: Trouble-free connection systom for HPLC and UHPLC" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Trouble_free_connection_systom_for_HPLC_and_UHPLC_e62b80154b.webp 221w," sizes="100vw" width="690" height="487"><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Trouble_free_connection_systom_for_HPLC_and_UHPLC_2_71c24acdf5.webp" alt="KNAUER: Trouble-free connection systom for HPLC and UHPLC" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Trouble_free_connection_systom_for_HPLC_and_UHPLC_2_71c24acdf5.webp 224w," sizes="100vw" width="1920" height="1339">And while today’s solutions already represent a huge leap forward, the evolution of HPLC connection technology is certainly not over yet. Looking ahead, it will be exciting to see how future innovations continue to simplify chromatography workflows even further.<blockquote>If you want to learn more about KNAUER´s capillaries, fittings and (U)HPLC system start-up kits and are interested in details and numbers, I highly recommend our brand <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/r75ev6rjivdbid246k60zrs3gjpvwdi5b8em_fad0f92fd9.pdf">new tech note "Benefits of KNAUER´s trouble-free analytical capillaries in terms of HPLC and UHPLC system performance</a>" and a visit to our <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/2402">products online</a>.</blockquote>

Let´s Connect a whole (U)HPLC system without tools and trouble

News from LabRulezLCMS Library - Week 21, 2026

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A unique company dedicated to serving science helping our customers drive productivity and accelerate results. Through our premier brands – Thermo Scientific, Applied Biosystems, Invitrogen, Fisher Scientific and Unity Lab Services.

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Based in Berlin, KNAUER is a medium-sized, owner-managed company that has been serving the sciences since 1962. We develop and manufacture scientific instruments of superior quality for liquid chromatography, including: Analytical HPLC/UHPLC, Preparative HPLC, Fast protein liquid chromatography (FPLC), Multi-column chromatography/Simulated moving bed (SMB) chromatography. High pressure dosing, in-line detection systems, and osmometry are additional business areas.

KNAUER

KNAUER Eurospher II Chiral OM Prep Columns for NP & RP (USP L40, USP L93)

Eurospher II Chiral OM uses the chiral selector Cellulose-tris-(3,5-dimethylphenylcarbamate) and is equivalent to Chiralcel OD. 

Eurospher II Chiral OM uses the chiral selector Cellulose-tris-(3,5-dimethylphenylcarbamate) and is equivalent to Chiralcel OD. KNAUER offers 2 different CPS versions: Eurospher II Chiral OM is designed for separations in normal phase (NP) mode and Eurospher II Chiral OM-R for separations in reversed phase (RP) mode.<h5>Properties</h5><ul><li>Silica gel: ultra pure, &gt; 99.99 %</li><li>Metal content: &lt; 10 ppm</li><li>Particle size: 3 μm, 5 μm, 10 μm</li><li>Particle form: spherical</li><li>Pore size of base material: 1000 Å</li><li>Chiral selector: Cellulose-tris-(3,5-dimethyl- phenylcarbamate) for Chiral OM</li></ul><h5>Key features</h5><ul><li>KNAUER offers these chiral stationary phases for two different separation modes: Eurospher II Chiral OM is designed for separations in normal phase (NP) mode, Eurospher II Chiral OM-R for separations in reversed phase mode.</li></ul><h5>Recommended application areas</h5><ul><li>Eurospher II Chiral OM columns are able to separate neutral, acidic and basic racemates.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Chiral_OM_c2a3f1a159.webp" alt="KNAUER: Eurospher II Chiral OM" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Chiral_OM_c2a3f1a159.webp 245w," sizes="100vw" width="690" height="388"><blockquote>Stationary phase Eurospher II Chiral OM (OM-R) is provided in these column types: analytical, semi-preparative and preparative.</blockquote>Eurospher II Chiral OM and OM-R Preparative Standard Columns are available with these parameters:<ul><li>Column length (mm): 150, 250</li><li>Column ID (mm): 20, 30</li><li>Particle size (µm): 5, 10</li></ul><h3>KNAUER Chiral HPLC Columns</h3>For analytical, preparative and SMB chiral separations<ul><li>Column Brand<ul><li>Eurospher II</li></ul></li><li>Reversed Phase Modifications<ul><li>Chiral NR-R</li><li>Chiral AM-R</li><li>Chiral OM-R</li></ul></li><li>Normal Phase Modifications<ul><li>Chiral NR</li><li>Chiral AM</li><li>Chiral OM</li></ul></li><li>Flexibility: Wide selection of column and particle sizes, for preparative and analytical applications</li><li>Expandable: Upscaling even for continuous SMB</li><li>Application Service: We offer a customized screening service for your analytes. You will receive an optimal column recommendation including the method parameters.</li></ul><h4>Eurospher II Chiral</h4>Based on ultra-high purity silica, the Eurospher II chiral column materials are characterized by high enantioselectivity and loadability.&nbsp;Available in a wide range of dimensions for analytical, preparative and SMB (simulated moving bed) applications, Eurospher II Chiral columns are the perfect choice for even the most challenging enantioseparation tasks&nbsp;Since chiral separations are not very well predictable, KNAUER offers a chiral screening service for your samples (Article number: AL0220).<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Eurospher_II_chiral_48c53afebe.jpg" alt="KNAUER: Eurospher II chiral" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Eurospher_II_chiral_48c53afebe.jpg 245w," sizes="100vw" width="1369" height="633"><blockquote>Tip: Some of the most popular eluents for HPLC (such as acetone, chloroform, DMF, DMSO, MEK, toluene, dioxane, ethyl acetate, methylene chloride, pyridine and THF) which may be remaining in your HPLC system, can destroy Eurospher II Chiral AM and OM phases even in small concentrations! It is highly recommended that the HPLC system is flushed with appropriate eluents before the installation of the chiral column.</blockquote>

KNAUER Eurospher II Chiral NR Prep Columns for NP & RP

Eurospher II Chiral NR is an immobilized brush-type phase with very broad generality and orhogonal selectivity to Eurospher II Chiral AM and OM.

Eurospher II Chiral NR is an immobilized brush-type phase with very broad generality and orhogonal selectivity to Eurospher II Chiral AM and OM. In many cases it is much more stable compared to Eurospher II Chiral AM or OM. The Chiral-NR selector is covalently bound, so that you can use all HPLC-eluents.Due to its high loadability it is perfectly suited for preparative separations. Both phases can be used in RP and NP mode. Eurospher II Chiral-NR-R shows reversed elution order compared to Eurospher II Chiral-NR caused by the modification with the opposite enantiomeric form of the chiral selector.<h5>Properties</h5><ul><li>Silica gel: ultra pure, &gt; 99.99 %</li><li>Metal content: &lt; 10 ppm</li><li>Particle size:&nbsp;<ul><li>Eurospher II Chiral NR: 3 μm, 5 μm, 8 µm, 12 µm</li><li>Eurospher II Chiral NR-R: 8 µm, 12 µm</li></ul></li><li>Particle form: spherical</li><li>Pore size of base material: 1000 Å</li></ul><h5>Recommended application areas</h5><ul><li>Eurospher II Chiral NR columns are able to separate analytes with an oxygen at or near the chiral center and additionally an aromatic ring.</li></ul><blockquote>Stationary phase Eurospher II Chiral NR (NR-R) is provided in these column types: analytical, semi-preparative and preparative.</blockquote>Eurospher II Chiral NR and NR-R Preparative Standard Columns are available with these parameters:<ul><li>Column length (mm): 150, 250</li><li>Column ID (mm): 20, 30</li><li>Particle size (µm): 8, 12</li></ul><h3>KNAUER Chiral HPLC Columns</h3>For analytical, preparative and SMB chiral separations<ul><li>Column Brand<ul><li>Eurospher II</li></ul></li><li>Reversed Phase Modifications<ul><li>Chiral NR-R</li><li>Chiral AM-R</li><li>Chiral OM-R</li></ul></li><li>Normal Phase Modifications<ul><li>Chiral NR</li><li>Chiral AM</li><li>Chiral OM</li></ul></li><li>Flexibility: Wide selection of column and particle sizes, for preparative and analytical applications</li><li>Expandable: Upscaling even for continuous SMB</li><li>Application Service: We offer a customized screening service for your analytes. You will receive an optimal column recommendation including the method parameters.</li></ul><h4>Eurospher II Chiral</h4>Based on ultra-high purity silica, the Eurospher II chiral column materials are characterized by high enantioselectivity and loadability.&nbsp;Available in a wide range of dimensions for analytical, preparative and SMB (simulated moving bed) applications, Eurospher II Chiral columns are the perfect choice for even the most challenging enantioseparation tasks&nbsp;Since chiral separations are not very well predictable, KNAUER offers a chiral screening service for your samples (Article number: AL0220).<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Eurospher_II_chiral_48c53afebe.jpg" alt="KNAUER: Eurospher II chiral" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Eurospher_II_chiral_48c53afebe.jpg 245w," sizes="100vw" width="1369" height="633"><blockquote>Tip: Some of the most popular eluents for HPLC (such as acetone, chloroform, DMF, DMSO, MEK, toluene, dioxane, ethyl acetate, methylene chloride, pyridine and THF) which may be remaining in your HPLC system, can destroy Eurospher II Chiral AM and OM phases even in small concentrations! It is highly recommended that the HPLC system is flushed with appropriate eluents before the installation of the chiral column.</blockquote>

Phenomenex Luna Omega Polar C18 HPLC Prep Columns

Luna Omega Polar C18 is a novel HPLC and UHPLC stationary phase capable of providing a unique selectivity within a wide elution window and increased retention for both polar and non polar analytes.

Reversed Phase Polar Retention Without the HeadacheLuna Omega Polar C18 is a novel HPLC and UHPLC stationary phase capable of providing a unique selectivity within a wide elution window and increased retention for both polar and non polar analytes. The all purpose C18 ligand provides hydrophobic interactions while a polar modified particle surface provides enhanced polar retention and also aqueous stability. These attributes make the Luna Omega Polar C18an excellent choice for balanced retention of polar and hydrophobic compounds as well as to solely enhance retention of highly polar compounds.<ul><li>Compatible with All Analytical HPLC/UHPLC Systems</li><li>Fully Scalable Particle Size UHPLC HPLC Preparative</li><li>100 % Aqueous Stable C18 Selectivity</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Luna_Omega_Polar_C18_HPLC_Column_a9c42ff59a.jpg" alt="Phenomenex: Luna Omega Polar C18 HPLC Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Luna_Omega_Polar_C18_HPLC_Column_a9c42ff59a.jpg 245w," sizes="100vw" width="870" height="315"><ul><li>Carbon Load: null %, 11.0 %</li><li>Particle Size: 1.6, 3, 5</li><li>Recommended Use: Polar retentive C18 phase for HPLC and UHPLC separations of hydrophobic/polar compounds</li></ul><h4>Not Just Another C18…Built Different</h4>Luna Omega Polar C18 is a uniquely modified C18 based chemistry that has been optimized to improve the performance of polar analyses. This new particle surface chemistry makes the Polar C18 applicable to all industries that utilize HPLC for mixtures of polar and non polar compounds.<h4>Stable Retention &amp; 100% Aqueous Stable&nbsp;</h4>Traditional C18 phases are known to collapse under 100 % aqueous conditions, causing retention loss of compounds and a method development headaches. That is why an advanced proprietary bonding technology was used for the Luna Omega Polar C18 in order to ensure aqueous stability.&nbsp;<h4>Increased Reversed Phase Polar Retention</h4>With its polar modified surface, the Luna Omega Polar C18 offers UHPLC users enhanced separation power that can greatly improve resolution values for target compounds.<blockquote>Stationary phase Luna Omega Polar C18 is provided in these column types: analytical, microbore, minibore, midbore and preparative</blockquote><h5>Luna Omega Polar C18 HPLC Axia™ Packed Preparative Columns are available with these parameters:</h5><ul><li>Column length (mm): 150, 250</li><li>Column ID (mm): 21.2; 30</li><li>Particle size (µm): 5</li></ul><h3>Phenomenex Luna Omega HPLC/UHPLC Columns</h3>The cutting edge thermally modified Luna Omega particle delivers high efficiency, ruggedness, reproducibility, and dependability for a wide range of chromatographic analyses. Luna Omega HPLC and UHPLC columns are built upon more then 20 years of applied knowledge, invention, and customer experience in the manufacture and packing of LC columns. The particle’s novel design and proprietary manufacturing process results in greater particle inertness, a stronger particle morphology, and more consistent porosity.<ul><li>Greater separation muscle and retention</li><li>Consistent porous structure and elimination of micropores</li><li>Extreme ruggedness and reproducibility</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Thermal_modified_pore_structure_of_Luna_Omega_Column_particles_37138bb135.jpg" alt="Phenomenex:Thermal modified pore structure of Luna Omega Column particles" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Thermal_modified_pore_structure_of_Luna_Omega_Column_particles_37138bb135.jpg 245w," sizes="100vw" width="1257" height="369"><h3>Explore Luna Omega Columns</h3><h5>Astounding Performance</h5>The undeniably high efficiency levels found in each Luna Omega UHPLC column provide you with the potential of huge gains in method performance. While traditional silica and hybrid fully porous particles claim high performance, when compared to Luna Omega 1.6 μm, they drastically fall short and prevent UHPLC scientists from reaching their UHPLC potential.<h5>Separation Muscle</h5>Our industry leading bonding technologies in conjunction with high efficiency levels ensure excellent stationary phase coverage and improved separation power. Now, with Luna Omega 1.6 μm, you can turn difficult separations into resolution achievements.<h5>Inert Foundation</h5>Luna Omega UHPLC columns contain a unique silica modified using a proprietary, post-synthetic thermal treatment process to provide extraordinary mechanical strength and significantly greater inertness than traditional fully porous and hybrid materials. This greatly minimizes secondary interactions that negatively affect peak shape, allowing for greater method accuracy.<h5>Consistent Results</h5>Batch-to-batch and column-to-column, Luna® Omega media and columns are designed to be consistent and incredibly accurate tools for your analysis. Each batch and column are quality tested to ensure dependability and reproducibility.

Phenomenex Luna Omega PS C18 HPLC Prep Columns

Luna Omega PS C18 is a unique mixed interaction stationary phase that provides incredibly useful polar and non-polar retention. 

Improve Peak Shape for Bases Without the HeadacheLuna Omega PS C18 is a unique mixed interaction stationary phase that provides incredibly useful polar and non-polar retention. The surface of the PS C18 contains a positive charge which aids in the retention of acidic compounds and provides better peak shape for bases through ionic interactions, while the C18 ligand promotes general reversed phase retention. This mixed-mode selectivity allows for greater separation between compounds with varying functional groups.<ul><li>Compatible with All Analytical HPLC/UHPLC Systems</li><li>Fully Scalable Particle Size UHPLC HPLC Preparative</li><li>Charged Surface C18 that is 100 % Aqueous Stable</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Luna_Omega_PS_C18_HPLC_Column_bf5cf29276.webp" alt="Phenomenex: Luna Omega PS C18 HPLC Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Luna_Omega_PS_C18_HPLC_Column_bf5cf29276.webp 245w," sizes="100vw" width="500" height="150"><ul><li>Carbon Load: null %, 11.0 %</li><li>Particle Size: 1.6, 3, 5</li><li>Recommended Use: Positive surface C18 phase for HPLC and UHPLC separations of hydrophobic/basic compounds</li></ul><h4>A C18 With a Positive Twist</h4>Luna Omega PS C18 has been fine tuned and manufactured by Phenomenex to provide a mixed selectivity that is highly useful for method development involving either combinations of polar and nonpolar compounds, or just one single compound class with small changes in functional groups.<h4>Enhanced Selectivity and Polar Retention</h4>With its positive surface (PS) the Luna Omega PS C18 provides valuable increase in retention of acids through ionic/polar interactions. In addition, the C18 ligand also stimulates hydrophobic retention that greatly promotes increased resolution between analytes of interest.<h4>Think Outside the Traditional C18 Selectivity</h4>Traditional C18 phases may not always be the best option. A HPLC and UHPLC column that has both polar and hydrophobic versatility allows for great method development flexibility.<h4>Better Peak Shape for Bases</h4>While traditional alkyl phases are prone to show tailing for basic compounds because of secondary interactions occurring at the silica surface, the surface of the Luna Omega PS C18 was designed with positive charges that serve to repel strong basic species and consistently display sharp peak shape.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Better_Peak_Shape_for_Bases_Comparison_of_Luna_Omega_PS_C18_with_C18_Columns_from_other_manufacturers_3667109291.jpg" alt="Phenomenex: Better Peak Shape for Bases (Comparison of Luna Omega PS C18 with C18 Columns from other manufacturers)" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Better_Peak_Shape_for_Bases_Comparison_of_Luna_Omega_PS_C18_with_C18_Columns_from_other_manufacturers_3667109291.jpg 245w," sizes="100vw" width="905" height="485"><blockquote>Stationary phase Luna Omega PS C18 is provided in these column types: analytical, minibore, midbore and preparative</blockquote><h5>Luna Omega PS C18 HPLC Axia™ Packed Preparative Columns are available with these parameters:</h5><ul><li>Column length (mm): 150, 250</li><li>Column ID (mm): 21.2; 30</li><li>Particle size (µm): 5</li></ul><h3>Phenomenex Luna Omega HPLC/UHPLC Columns</h3>The cutting edge thermally modified Luna Omega particle delivers high efficiency, ruggedness, reproducibility, and dependability for a wide range of chromatographic analyses. Luna Omega HPLC and UHPLC columns are built upon more then 20 years of applied knowledge, invention, and customer experience in the manufacture and packing of LC columns. The particle’s novel design and proprietary manufacturing process results in greater particle inertness, a stronger particle morphology, and more consistent porosity.<ul><li>Greater separation muscle and retention</li><li>Consistent porous structure and elimination of micropores</li><li>Extreme ruggedness and reproducibility</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Thermal_modified_pore_structure_of_Luna_Omega_Column_particles_37138bb135.jpg" alt="Phenomenex:Thermal modified pore structure of Luna Omega Column particles" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Thermal_modified_pore_structure_of_Luna_Omega_Column_particles_37138bb135.jpg 245w," sizes="100vw" width="1257" height="369"><h3>Explore Luna Omega Columns</h3><h5>Astounding Performance</h5>The undeniably high efficiency levels found in each Luna Omega UHPLC column provide you with the potential of huge gains in method performance. While traditional silica and hybrid fully porous particles claim high performance, when compared to Luna Omega 1.6 μm, they drastically fall short and prevent UHPLC scientists from reaching their UHPLC potential.<h5>Separation Muscle</h5>Our industry leading bonding technologies in conjunction with high efficiency levels ensure excellent stationary phase coverage and improved separation power. Now, with Luna Omega 1.6 μm, you can turn difficult separations into resolution achievements.<h5>Inert Foundation</h5>Luna Omega UHPLC columns contain a unique silica modified using a proprietary, post-synthetic thermal treatment process to provide extraordinary mechanical strength and significantly greater inertness than traditional fully porous and hybrid materials. This greatly minimizes secondary interactions that negatively affect peak shape, allowing for greater method accuracy.<h5>Consistent Results</h5>Batch-to-batch and column-to-column, Luna® Omega media and columns are designed to be consistent and incredibly accurate tools for your analysis. Each batch and column are quality tested to ensure dependability and reproducibility.

Phenomenex Luna HILIC HPLC Preparative Columns

The Luna HILIC is a diol based silica phase that allows for an denser aqueous layer for increase polar selectivity.

The Luna HILIC is a diol based silica phase that allows for an denser aqueous layer for increase polar selectivity.<ul><li>Reproducible‚ robust HILIC separations</li><li>Made for retention of polar compounds</li><li>Increase mass spectrometry sensitivity</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Luna_HILIC_HPLC_Column_4b955cbfde.webp" alt="Phenomenex: Luna HILIC HPLC Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Luna_HILIC_HPLC_Column_4b955cbfde.webp 245w," sizes="100vw" width="500" height="150"><ul><li>Carbon Load: 5.7, 5.7 %</li><li>Surface Area (m²/g): 200</li><li>Particle Size: 3, 5</li><li>Recommended Use: Diol phase useful for hydrophilic interaction chromatography mode</li></ul><h4>Long Column Lifetimes and Excellent Performance</h4>Ultra-pure, metal-free silica (99.99 (= 99.99 %) purity) is the backbone of all Luna material. The resulting high quality particles have a surface smoothness, pore structure, and pore consistency to ensure a more uniform particle shape and greater reproducibility.<h4>Increase MS Sensitivity and Retention for Polar Compounds</h4>Hydrophilic Interaction Liquid Chromatography (HILIC) is a separation mode where the partitioning of polar solutes from the high concentration‚ water-miscible‚ organic mobile phase into the hydrophilic surface environment creates separations. Polar solutes exhibit increased retention and elute in the order of increasing hydrophilicity.<h4>Common Applications:</h4><ul><li>Drug metabolites, Water soluble vitamins, Melamine, Cyanuric acid, Metanephrine, Normetanephrine</li></ul><blockquote>Stationary phase Luna HILIC is provided in these column types: analytical, microbore, minibore, midbore, semi-preparative and preparative</blockquote><h5>Luna HILIC HPLC Axia™ Packed Preparative Columns are available with these parameters:</h5><ul><li>Column length (mm): 50, 100, 150, 250</li><li>Column ID (mm): 21.2; 30</li><li>Particle size (µm): 5</li></ul><h3>Phenomenex Luna HPLC Columns</h3>Luna HPLC columns are renowned for their outstanding reliability and adaptability in high-performance liquid chromatography (HPLC). Manufactured by Phenomenex, Luna HPLC columns are made from 99.999% ultra-pure, metal-free silica, with meticulous attention given to quality control across all aspects of its structure and chemistry. This guarantees that Luna columns consistently deliver reliable performance, ensuring dependable method reproducibility. The Luna series offers diverse selectivity, making it suitable for a broad range of chromatographic applications, from microbore and fast LC to preparative and bulk purification scales.All Luna products uphold the high standards our customers depend on. Featuring high surface area particles, Luna columns deliver improved resolution and performance, meeting the stringent requirements of HPLC users. Designed for longevity and consistent results, these columns are the trusted choice for both routine analyses and specialized separations, ensuring top-tier chromatographic outcomes.<h4>Explore Luna Columns</h4><ul><li>Proven Performance: Extensive line of rugged USP and Ph.Eur. phases</li><li>Maximum Reproducibility: Each column has both a certificate of analysis and a certificate of quality assurance</li><li>Ultra-High Purity: Metal free silica (99.99% purity) &nbsp;ensures a low activity surface and less secondary interactions</li><li>Scalable: Phases available in 3,5, 10 and 15 µm particle size for scaling from analytical to prep and bulk purification</li></ul>Explore resolution with 10 unique Luna selectivities and find your next selectivity tool. Combined with high surface area the Luna family of columns offers an excellent HPLC performance for a wide range of chromatographic applications.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Phases_of_Luna_Columns_5b3ae06cee.jpg" alt="Phenomenex - Phases of Luna Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Phases_of_Luna_Columns_5b3ae06cee.jpg 180w," sizes="100vw" width="565" height="490">

Phenomenex Luna Phenyl-Hexyl HPLC Preparative Columns

The Luna Phenyl Hexyl is our most hydrophobic phenyl column and it will also provide good hydrogen accepting functionality for acidic retention.

The Luna Phenyl Hexyl is our most hydrophobic phenyl column and it will also provide good hydrogen accepting functionality for acidic retention.<ul><li>Extensive line of rugged particle sizes</li><li>Easy method scalability from HPLC to preparative and bulk purification LC</li><li>Phenyl-Hexyl Ultra-pure, metal-free silica (99.99% purity) (USP: L11)</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Luna_phenyl_hexyl_HPLC_Column_e0aa55de27.jpg" alt="Phenomenex: Luna phenyl-hexyl HPLC Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Luna_phenyl_hexyl_HPLC_Column_e0aa55de27.jpg 245w," sizes="100vw" width="599" height="309"><ul><li>Carbon Load: 17.5, 17.5 %</li><li>Surface Area (m²/g): 400</li><li>Particle Size: 3, 5, 10, 15</li><li>Recommended Use: Separation of aromatic and closely related compounds</li></ul><h4>Long Column Lifetimes and Excellent Performance</h4>Ultra-pure, metal-free silica (99.99 % purity) is the backbone of all Luna material. The resulting high quality particles have a surface smoothness, pore structure, and pore consistency to ensure a more uniform particle shape and greater reproducibility.<h4>Engineered for Stability</h4>Luna Phenyl-Hexyl columns provide separations not achievable on C18 or C8 columns; such as increased retention for polar‚ aromatic compounds as well as reversals in analyte elution order. Luna Phenyl-Hexyl columns are a reproducible‚ extremely stable phenyl phase.<h4>Common Applications:</h4><ul><li>Oxacillin, Captopril, Chlorpheniramine, Pseudoephedrine, Methadone Hydrochloride Oral Concentration</li></ul><blockquote>Stationary phase Luna Phenyl-Hexyl is provided in these column types: analytical, microbore, minibore, midbore, semi-preparative and preparative</blockquote><h5>Luna Phenyl-Hexyl HPLC Axia™ Packed Preparative Columns are available with these parameters:</h5><ul><li>Column length (mm): 50, 100, 150, 250</li><li>Column ID (mm): 21.2; 30</li><li>Particle size (µm): 5, 10</li></ul><h3>Phenomenex Luna HPLC Columns</h3>Luna HPLC columns are renowned for their outstanding reliability and adaptability in high-performance liquid chromatography (HPLC). Manufactured by Phenomenex, Luna HPLC columns are made from 99.999% ultra-pure, metal-free silica, with meticulous attention given to quality control across all aspects of its structure and chemistry. This guarantees that Luna columns consistently deliver reliable performance, ensuring dependable method reproducibility. The Luna series offers diverse selectivity, making it suitable for a broad range of chromatographic applications, from microbore and fast LC to preparative and bulk purification scales.All Luna products uphold the high standards our customers depend on. Featuring high surface area particles, Luna columns deliver improved resolution and performance, meeting the stringent requirements of HPLC users. Designed for longevity and consistent results, these columns are the trusted choice for both routine analyses and specialized separations, ensuring top-tier chromatographic outcomes.<h4>Explore Luna Columns</h4><ul><li>Proven Performance: Extensive line of rugged USP and Ph.Eur. phases</li><li>Maximum Reproducibility: Each column has both a certificate of analysis and a certificate of quality assurance</li><li>Ultra-High Purity: Metal free silica (99.99% purity) &nbsp;ensures a low activity surface and less secondary interactions</li><li>Scalable: Phases available in 3,5, 10 and 15 µm particle size for scaling from analytical to prep and bulk purification</li></ul>Explore resolution with 10 unique Luna selectivities and find your next selectivity tool. Combined with high surface area the Luna family of columns offers an excellent HPLC performance for a wide range of chromatographic applications.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Phases_of_Luna_Columns_5b3ae06cee.jpg" alt="Phenomenex - Phases of Luna Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Phases_of_Luna_Columns_5b3ae06cee.jpg 180w," sizes="100vw" width="565" height="490">

Phenomenex Luna CN HPLC Preparative Columns

The Luna CN has Nitrile groups bound to the silica surface which offer a unique polar selectivity under reversed phase or normal phase conditions.

The Luna CN has Nitrile groups bound to the silica surface which offer a unique polar selectivity under reversed phase or normal phase conditions.<ul><li>Extensive line of rugged particle sizes</li><li>Easy method scalability from HPLC to preparative and bulk purification LC</li><li>CN Ultra pure, metal-free silica (99.99% purity) (USP:L10)</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Luna_CN_HPLC_Column_114efce581.webp" alt="Phenomenex: Luna CN HPLC Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Luna_CN_HPLC_Column_114efce581.webp 245w," sizes="100vw" width="500" height="150"><ul><li>Carbon Load: 7.7 %</li><li>Surface Area (m²/g): 400</li><li>Particle Size: 3, 5, 10</li><li>Recommended Use: HILIC or normal phase separation of extremely polar compounds or when a cyano phased or L10</li></ul><h4>Long Column Lifetimes and Excellent Performance</h4>Ultra-pure, metal-free silica (99.99% purity) is the backbone of all Luna material. The resulting high quality particles have a surface smoothness, pore structure, and pore consistency to ensure a more uniform particle shape and greater reproducibility.<h4>Proven Reproducibility</h4>For carboxyl‚ carbonyl‚ and amine containing compounds‚ Luna CN columns offer a unique polar selectivity in reversed phase and normal phase modes. Luna CN columns provide sharp peaks and great reproducibility run-to-run‚ column-to-column and batch-tobatch. State of the art modification of the silca surface ensures improved resistance to bonded phase hydrolysis providing one of the most stable CN phases on the market. The result:<ul><li>Excellent polar selectivity</li><li>Improved peak shapes</li><li>One of the most stable CN columns under reversed phase or normal phase conditions</li><li>pH stable from 1.5 to 7.0</li></ul><h5>Common Applications:</h5><ul><li>Benzalkonium Chloride, Nortriptyline HCl Capsules, Prednisolone, Tetracaine, Quinapril tablets</li></ul><blockquote>Stationary phase Luna CN is provided in these column types: analytical, minibore, midbore, semi-preparative and preparative</blockquote><h5>Luna CN HPLC Axia™ Packed Preparative Columns are available with these parameters:</h5><ul><li>Column length (mm): 30, 50, 100, 150, 250</li><li>Column ID (mm): 21.2; 30</li><li>Particle size (µm): 5, 10</li></ul><h3>Phenomenex Luna HPLC Columns</h3>Luna HPLC columns are renowned for their outstanding reliability and adaptability in high-performance liquid chromatography (HPLC). Manufactured by Phenomenex, Luna HPLC columns are made from 99.999% ultra-pure, metal-free silica, with meticulous attention given to quality control across all aspects of its structure and chemistry. This guarantees that Luna columns consistently deliver reliable performance, ensuring dependable method reproducibility. The Luna series offers diverse selectivity, making it suitable for a broad range of chromatographic applications, from microbore and fast LC to preparative and bulk purification scales.All Luna products uphold the high standards our customers depend on. Featuring high surface area particles, Luna columns deliver improved resolution and performance, meeting the stringent requirements of HPLC users. Designed for longevity and consistent results, these columns are the trusted choice for both routine analyses and specialized separations, ensuring top-tier chromatographic outcomes.<h4>Explore Luna Columns</h4><ul><li>Proven Performance: Extensive line of rugged USP and Ph.Eur. phases</li><li>Maximum Reproducibility: Each column has both a certificate of analysis and a certificate of quality assurance</li><li>Ultra-High Purity: Metal free silica (99.99% purity) &nbsp;ensures a low activity surface and less secondary interactions</li><li>Scalable: Phases available in 3,5, 10 and 15 µm particle size for scaling from analytical to prep and bulk purification</li></ul>Explore resolution with 10 unique Luna selectivities and find your next selectivity tool. Combined with high surface area the Luna family of columns offers an excellent HPLC performance for a wide range of chromatographic applications.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Phases_of_Luna_Columns_5b3ae06cee.jpg" alt="Phenomenex - Phases of Luna Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Phases_of_Luna_Columns_5b3ae06cee.jpg 180w," sizes="100vw" width="565" height="490">

Phenomenex Luna PFP(2) HPLC Preparative Columns

The Luna PFP(2) is a pentafluorophenyl phase with strongly electronegative fluorine groups to provide polar selectivity for cationic compounds.

The Luna PFP(2) is a pentafluorophenyl phase with strongly electronegative fluorine groups to provide polar selectivity for cationic compounds, while the rigid bonded phase is a good steric selector.<ul><li>Extremely discerning for halogenated‚ aromatic and conjugated compounds</li><li>Provides orthogonal selectivity even using traditional reversed phase mobile phase systems</li><li>PFP Ultra pure, metal-free silica (99.99 % purity) (USP: L43)/li&gt;</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Luna_PFP_2_HPLC_Column_9750ad436d.webp" alt="Phenomenex: Luna PFP(2) HPLC Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Luna_PFP_2_HPLC_Column_9750ad436d.webp 245w," sizes="100vw" width="500" height="150"><ul><li>Surface Area (m²/g): 400</li><li>Particle Size: 3, 5</li><li>Recommended Use: Separation of aromatic, halogenated, and closely related compounds</li></ul><h4>Long Column Lifetimes and Excellent Performance</h4>Ultra-pure, metal-free silica (99.99 % purity) is the backbone of all Luna material. The resulting high quality particles have a surface smoothness, pore structure, and pore consistency to ensure a more uniform particle shape and greater reproducibility.<h4>Superior Particle Smoothness</h4><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Superior_Particle_Smoothness_of_Luna_C18_f44c5b3028.jpg" alt="Phenomenex: Superior Particle Smoothness of Luna Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Superior_Particle_Smoothness_of_Luna_C18_f44c5b3028.jpg 245w," sizes="100vw" width="1385" height="442"><h4>4 Mechanisms of Interaction</h4>Luna® PFP(2) columns provide unique selectivity for highly polar compounds, complex natural products, isomers and other closely related compounds. This is achieved by using a propyl linked pentafluorophenyl, which provides multiple retention mechanisms unique to typical reversed phase medias.<ul><li>Hydrogen Bonding</li><li>Dipole-Dipole Interactions</li><li>Aromatic and π-π Interactions</li><li>Hydrophobic</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Luna_PFP_2_Column_selectivity_c7b9591ed6.jpg" alt="Phenomenex: Luna PFP(2) Column selectivity." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Luna_PFP_2_Column_selectivity_c7b9591ed6.jpg 193w," sizes="100vw" width="863" height="698"><h4>Common Applications:</h4><ul><li>Positional isomers, Geometric isomers, Taxanes, Aflatoxins</li></ul><blockquote>Stationary phase Luna PFP(2) is provided in these column types: analytical, microbore, minibore, midbore, semi-preparative and preparative</blockquote><h5>Luna PFP(2) HPLC Axia™ Packed Preparative Columns are available with these parameters:</h5>Axia™ Packed Preparative Columns<ul><li>Column length (mm): 50, 100, 150, 250</li><li>Column ID (mm): 21.2; 30</li><li>Particle size (µm): 5</li></ul><h3>Phenomenex Luna HPLC Columns</h3>Luna HPLC columns are renowned for their outstanding reliability and adaptability in high-performance liquid chromatography (HPLC). Manufactured by Phenomenex, Luna HPLC columns are made from 99.999% ultra-pure, metal-free silica, with meticulous attention given to quality control across all aspects of its structure and chemistry. This guarantees that Luna columns consistently deliver reliable performance, ensuring dependable method reproducibility. The Luna series offers diverse selectivity, making it suitable for a broad range of chromatographic applications, from microbore and fast LC to preparative and bulk purification scales.All Luna products uphold the high standards our customers depend on. Featuring high surface area particles, Luna columns deliver improved resolution and performance, meeting the stringent requirements of HPLC users. Designed for longevity and consistent results, these columns are the trusted choice for both routine analyses and specialized separations, ensuring top-tier chromatographic outcomes.<h4>Explore Luna Columns</h4><ul><li>Proven Performance: Extensive line of rugged USP and Ph.Eur. phases</li><li>Maximum Reproducibility: Each column has both a certificate of analysis and a certificate of quality assurance</li><li>Ultra-High Purity: Metal free silica (99.99% purity) &nbsp;ensures a low activity surface and less secondary interactions</li><li>Scalable: Phases available in 3,5, 10 and 15 µm particle size for scaling from analytical to prep and bulk purification</li></ul>Explore resolution with 10 unique Luna selectivities and find your next selectivity tool. Combined with high surface area the Luna family of columns offers an excellent HPLC performance for a wide range of chromatographic applications.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Phases_of_Luna_Columns_5b3ae06cee.jpg" alt="Phenomenex: Phases of Luna Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Phases_of_Luna_Columns_5b3ae06cee.jpg 180w," sizes="100vw" width="565" height="490">

Phenomenex Luna C18(2) HPLC Preparative Columns

The Luna C18(2) phase is an octadecyl silane with ligands bound to the silica surface, resulting in a C18 HPLC column with a very hydrophobic stationary phase.

The Luna C18(2) phase is an octadecyl silane with ligands bound to the silica surface, resulting in a C18 HPLC column with a very hydrophobic stationary phase that offers great methylene selectivity. Luna C18(2) columns enable higher flow rates while maintaining excellent resolution and efficiency. The advanced packing technology ensures consistent, high-performance results across both existing and newer HPLC instrumentation.Features of Luna C18(2) columns:<ul><li>Extensive line of rugged particle sizes</li><li>Easy method scalability from HPLC to preparative and bulk purification LC</li><li>C18(2) Ultra-pure, metal-free silica (99.99% purity) (USP:L1)</li><li>Faster separations</li><li>No need for time-consuming method revalidation</li><li>An ideal choice for improving lab productivity and efficiency</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Luna_C18_2_HPLC_Column_b89177b492.webp" alt="Phenomenex: Luna C18(2) HPLC Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Luna_C18_2_HPLC_Column_b89177b492.webp 245w," sizes="100vw" width="500" height="150"><ul><li>Carbon Load: 17.5, 17.5 %</li><li>Surface Area (m²/g): 400</li><li>Particle Size: 2.5, 3, 5, 10, 15</li><li>Recommended Use: Recommended for improved methylene selectivity for USP methods or general LC method development</li></ul><h3>Long Column Lifetimes and Excellent Performance</h3>Ultra-pure, metal-free silica (99.99 % purity) is the back-bone of all Luna material. The resulting high quality particles have a surface smoothness, pore structure, and pore consistency to ensure a more uniform particle shape and greater reproducibility.<h4>Wide pH Stability</h4>Luna C18(2) columns are renowned for their exceptional pH stability, offering a wide operational range from pH 1.5 to 9.0. This extended pH range is achieved through the high density of the bonded phase. As a result, peak shapes remain sharp and consistent across varying pH levels, ensuring reliable performance. The wide pH stability of Luna C18 columns allows analysts to work above the pKb of basic compounds, rendering them more hydrophobic. This enhances retention, improves peak shape, and boosts reproducibility, making Luna C18(2) an ideal choice for flexible and long-lasting HPLC methods.<h4>Mobile Phase Compatibility</h4>When using HPLC columns, it's crucial to use HPLC-grade solvents and materials while avoiding immiscible solvent/buffer combinations to prevent column damage. To ensure the highest performance, solvent filtration is strongly recommended to eliminate trace impurities from your chosen mobile phase.All Luna HPLC columns, including the widely used Luna C18(2), are stable in 100% organic conditions, offering flexibility in method development. It is essential to keep the mobile phase pH within the recommended limits for each stationary phase to avoid compromising the column's integrity and lifespan. Adhering to these guidelines ensures optimal column performance, extended longevity, and consistent, reliable results in your chromatographic analyses.<h4>Common Applications:</h4><h5>Pharmaceutical Compounds:</h5><ul><li>Pain Relievers &amp; Anti-inflammatory: Acetaminophen, Aspirin, Ibuprofen, Naproxen, Cortisone Acetate, Prednisone (oral solution)</li><li>Stimulants &amp; Decongestants: Caffeine, Pseudoephedrine, Phenylephrine Hydrochloride, Phenylpropanolamine</li><li>Respiratory &amp; Allergy Medications: Albuterol, Diphenhydramine, Guaifenesin, Dextromethorphan</li><li>Antibiotics &amp; Antimicrobials: Amoxicillin, Cephalexin, Cephradine (capsules), Chloramphenicol, Sterile Imipenem</li><li>Cardiovascular &amp; Blood Pressure Medications: Atenolol, Dopamine, Minoxidil, Reserpine, Procainamide</li><li>CNS &amp; Psychiatric Medications: Amitriptyline Hydrochloride, Imipramine, Lorazepam, Propoxyphene</li><li>Local Anesthetics: Lidocaine</li><li>Hormonal Treatments: Estradiol</li></ul><blockquote>Stationary phase Luna C18(2) is provided in these column types: analytical, microbore, minibore, midbore, semi-preparative and preparative</blockquote><h5>Luna C18(2) HPLC Axia™ Packed Preparative Columns are available with these parameters:</h5><ul><li>Column length (mm): 50, 100, 150, 250</li><li>Column ID (mm): 21.2; 30</li><li>Particle size (µm): 5, 10</li></ul><h3>Phenomenex Luna HPLC Columns</h3>Luna HPLC columns are renowned for their outstanding reliability and adaptability in high-performance liquid chromatography (HPLC). Manufactured by Phenomenex, Luna HPLC columns are made from 99.999% ultra-pure, metal-free silica, with meticulous attention given to quality control across all aspects of its structure and chemistry. This guarantees that Luna columns consistently deliver reliable performance, ensuring dependable method reproducibility. The Luna series offers diverse selectivity, making it suitable for a broad range of chromatographic applications, from microbore and fast LC to preparative and bulk purification scales.All Luna products uphold the high standards our customers depend on. Featuring high surface area particles, Luna columns deliver improved resolution and performance, meeting the stringent requirements of HPLC users. Designed for longevity and consistent results, these columns are the trusted choice for both routine analyses and specialized separations, ensuring top-tier chromatographic outcomes.<h4>Explore Luna Columns</h4><ul><li>Proven Performance: Extensive line of rugged USP and Ph.Eur. phases</li><li>Maximum Reproducibility: Each column has both a certificate of analysis and a certificate of quality assurance</li><li>Ultra-High Purity: Metal free silica (99.99% purity) &nbsp;ensures a low activity surface and less secondary interactions</li><li>Scalable: Phases available in 3,5, 10 and 15 µm particle size for scaling from analytical to prep and bulk purification</li></ul>Explore resolution with 10 unique Luna selectivities and find your next selectivity tool. Combined with high surface area the Luna family of columns offers an excellent HPLC performance for a wide range of chromatographic applications.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Phases_of_Luna_Columns_5b3ae06cee.jpg" alt="Phenomenex - Phases of Luna Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Phases_of_Luna_Columns_5b3ae06cee.jpg 180w," sizes="100vw" width="565" height="490">

Phenomenex Luna NH2 HPLC Preparative Columns

High performance silica and bonding techniques produce a rugged, highly reproducible amino phase. 

High performance silica and bonding techniques produce a rugged, highly reproducible amino phase. The Luna NH2 unique selectivity is perfect for hydrophobic compounds like sugars.<ul><li>Long lifetimes and low phase bleed for more reproducible methods</li><li>pH stable from 1.5 to 11.0</li><li>Stable in 100 % aqueous mobile phases</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Luna_NH_2_HPLC_Column_610ac489a6.webp" alt="Phenomenex: Luna NH2 HPLC Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Luna_NH_2_HPLC_Column_610ac489a6.webp 245w," sizes="100vw" width="500" height="150"><ul><li>Carbon Load: 9.5, 9.5 %</li><li>Surface Area (m²/g): 400</li><li>Particle Size: 3, 5, 10</li><li>Recommended Use: Amine phase applicable to multiple modes of chromatography and classes of polar compounds</li></ul><h4>Long Column Lifetimes and Excellent Performance</h4>Ultra-pure, metal-free silica (99.99 % purity) is the back bone of all Luna material. The resulting high quality particles have a surface smoothness, pore structure, and pore consistency to ensure a more uniform particle shape and greater reproducibility.<h4>Common Applications:</h4><ul><li>Simple sugars, Carboplatin, Lactulose concentrate, Levocarnitine tablets</li></ul><blockquote>Stationary phase Luna NH2 is provided in these column types: analytical, microbore, minibore, midbore, semi-preparative and preparative</blockquote><h5>Luna NH2 HPLC Axia™ Packed Preparative Columns are available with these parameters:</h5><ul><li>Column length (mm): 100, 150, 250</li><li>Column ID (mm): 21.2</li><li>Particle size (µm): 5, 10</li></ul><h3>Phenomenex Luna HPLC Columns</h3>Luna HPLC columns are renowned for their outstanding reliability and adaptability in high-performance liquid chromatography (HPLC). Manufactured by Phenomenex, Luna HPLC columns are made from 99.999% ultra-pure, metal-free silica, with meticulous attention given to quality control across all aspects of its structure and chemistry. This guarantees that Luna columns consistently deliver reliable performance, ensuring dependable method reproducibility. The Luna series offers diverse selectivity, making it suitable for a broad range of chromatographic applications, from microbore and fast LC to preparative and bulk purification scales.All Luna products uphold the high standards our customers depend on. Featuring high surface area particles, Luna columns deliver improved resolution and performance, meeting the stringent requirements of HPLC users. Designed for longevity and consistent results, these columns are the trusted choice for both routine analyses and specialized separations, ensuring top-tier chromatographic outcomes.<h4>Explore Luna Columns</h4><ul><li>Proven Performance: Extensive line of rugged USP and Ph.Eur. phases</li><li>Maximum Reproducibility: Each column has both a certificate of analysis and a certificate of quality assurance</li><li>Ultra-High Purity: Metal free silica (99.99% purity) &nbsp;ensures a low activity surface and less secondary interactions</li><li>Scalable: Phases available in 3,5, 10 and 15 µm particle size for scaling from analytical to prep and bulk purification</li></ul>Explore resolution with 10 unique Luna selectivities and find your next selectivity tool. Combined with high surface area the Luna family of columns offers an excellent HPLC performance for a wide range of chromatographic applications.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Phases_of_Luna_Columns_5b3ae06cee.jpg" alt="Phenomenex - Phases of Luna Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Phases_of_Luna_Columns_5b3ae06cee.jpg 180w," sizes="100vw" width="565" height="490">

Products from category Preparative HPLC columns - page 3

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