Per- and polyfluoroalkyl substances (PFAS) have become a major global concern due to their persistence, bioaccumulation, and potential health impacts. With thousands of known PFAS compounds, and new variants continuing to emerge, identifying and quantifying them across complex environmental and biological samples is an ongoing analytical challenge.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_From_Complexity_to_Clarity_Smarter_PFAS_Identification_Workflows_in_Compound_Discoverer_Software_2_8e83167891.jpg" alt="Thermo Fisher Scientific: From Complexity to Clarity: Smarter PFAS Identification Workflows in Compound Discoverer Software" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_From_Complexity_to_Clarity_Smarter_PFAS_Identification_Workflows_in_Compound_Discoverer_Software_2_8e83167891.jpg 245w," sizes="100vw" width="1024" height="574"><h3>Why PFAS analysis matters</h3>PFAS are used in everything from firefighting foams to non-stick coatings, yet their chemical stability means they persist in the environment and accumulate in living organisms. Regulators and scientists around the world are racing to better understand their distribution, fate, and toxicity.But with tens of thousands of PFAS, many without available reference standards, traditional targeted analysis alone isn’t enough. Analysts increasingly rely on non-targeted analysis (NTA) workflows powered by high-resolution accurate-mass (HRAM) mass spectrometry and advanced software to uncover the full picture.<h3>Addressing the challenges of PFAS identification</h3>Successful non-targeted PFAS analysis requires overcoming several analytical hurdles:<ol><li>Acquiring high-quality MS¹ and MS² data with ultra-high mass resolution and accuracy.</li><li>Detecting low-abundance PFAS hidden within thousands of background compounds.</li><li>Leveraging comprehensive spectral libraries and databases for confident identification.</li><li>Applying data filtering and scoring tools to assign confidence levels to annotations.</li><li>Using visualization and statistical tools to interpret and compare complex datasets.</li></ol><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1759">Thermo Scientific Compound Discoverer 3.5 software </a>brings together all the components needed for robust PFAS identification—integrating <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products?category=22&amp;manufacturerItems=3">HRAM Orbitrap MS</a> data with an expanded suite of PFAS-specific libraries and databases.In a single workflow, users can:<ul><li>Detect and annotate compounds automatically from LC-MS data.</li><li>Determine possible elemental formulas using isotope pattern and accurate mass information.</li><li>Compare MS² spectra against <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1764">mzCloud</a>, NIST 2023, and in silico PFAS libraries.</li><li>Cross-reference annotations with the EPA PFAS Structure List and the NIST Suspect List of PFAS.</li><li>Use PFAS-specific fragment and neutral loss databases to strengthen identification confidence.</li></ul>With these resources combined, the software enables confident annotation of more than 40,000 PFAS compounds!<h3>New tools for confident, streamlined PFAS identification</h3>Compound Discoverer software introduces several new features designed to simplify and accelerate PFAS NTA workflows:<ul><li>Apply PFAS Scoring Node: Automatically calculates PFAS-specific parameters and a new PFAS Score—no R scripting required.</li><li>PFAS Plot: A visual tool that uses mass-defect metrics to highlight probable PFAS in complex datasets, following methods from Kaufman et al. (2022).</li><li>Expanded suite of libraries and databases: Combines mzCloud, NIST, in silico, PFAS fragment databases, and a new neutral loss database for greater confidence.</li><li>Advanced data visualization: Tools like Kendrick Mass Defect and Molecular Network plots reveal homologous PFAS series and related compound families.</li><li>Built-in statistical analysis tools: Compare PFAS composition between samples using Principal Component Analysis, Differential analysis and Hierarchical Cluster Analysis.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_From_Complexity_to_Clarity_Smarter_PFAS_Identification_Workflows_in_Compound_Discoverer_Software_ed32c7f7c1.jpg" alt="Thermo Fisher Scientific From Complexity to Clarity Smarter PFAS Identification Workflows in Compound Discoverer Software" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_From_Complexity_to_Clarity_Smarter_PFAS_Identification_Workflows_in_Compound_Discoverer_Software_ed32c7f7c1.jpg 245w," sizes="100vw" width="800" height="395"><h3>From complexity to clarity</h3>By uniting Orbitrap HRAM data with the most comprehensive PFAS libraries available, Compound Discoverer 3.5 software streamlines non-targeted PFAS analysis—helping laboratories move from data complexity to confident chemical clarity.<a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/5612">Watch the on-demand webinar</a> to see the full workflow in action and learn how Compound Discoverer software can enhance your PFAS analysis.<ul><li>Visit us on&nbsp;<a target="_blank" rel="noopener noreferrer" href="https://www.linkedin.com/showcase/72003132/admin/dashboard/">LinkedIn:</a>&nbsp;#PFAS #CompoundDiscoverer #SpectralLibraries</li></ul><blockquote><h5>Zoe Julian</h5>Zoe Julian is a Product Marketing Manager for Chromatography and Mass Spectrometry software at Thermo Fisher Scientific. With over 12 years' experience of working with chromatography and mass spectrometry techniques with a background in GC and GC-MS(/MS) organic environmental analysis, she has helped many laboratories and industries improve their workflows through a unique understanding of their challenges. Transitioning to a focus on Chromeleon CDS she has shown customers how software solutions can improve their productivity and support their day-to-day operations.</blockquote>

From Complexity to Clarity: Smarter PFAS Identification Workflows in Compound Discoverer Software

<h3>Two Dimensions, One Solution: Advancing Oligonucleotide Analysis with 2D-LC</h3><h4>Why Consider 2D-LC for Oligonucleotide Analysis?</h4>In oligonucleotide analytics, achieving reliable and precise results is not optional—it is fundamental. These biomolecules are inherently complex, often containing truncated sequences, structural variants, and a wide range of impurities. Such complexity frequently exceeds the separation capabilities of conventional one-dimensional liquid chromatography (1D-LC). As a result, critical components may coelute or remain unresolved, limiting analytical confidence.Two-dimensional liquid chromatography (2D-LC) offers a powerful alternative by significantly enhancing separation performance. By combining two complementary separation mechanisms, 2D-LC improves resolution, sensitivity, and overall analytical reliability. This enables a much deeper understanding of oligonucleotide samples and their compositional intricacies.<blockquote><h4>Previous parts from the Oligos Made Easy series</h4><ul><li>Part 1: <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/article/6808">Overview</a></li><li>Part 2: <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/article/6846">AEX</a></li><li>Part 3: <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/article/6880">IP-RP</a></li><li>Part 4: <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/article/6912">HILIC</a></li><li>Part 5: <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/article/6944">SEC</a></li><li>Part 6: <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/article/6982">Column Navigator</a></li><li>Part 7: <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/article/7012">Large Scale AEX</a></li><li>Part 8: <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/article/7045">Sepapure oliGO</a></li></ul></blockquote><h4>Moving Beyond the Limits of 1D-LC</h4>For many years, 1D-LC has served as a standard tool for biopharmaceutical characterization. However, its inherent limitations become apparent when dealing with highly complex mixtures. The selectivity of a single chromatographic dimension is restricted, and the lack of orthogonality in retention mechanisms often results in insufficient separation. As sample complexity increases, the resolving power of 1D-LC becomes inadequate.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Figure_1_2_D_LC_Principle_Graphic_by_KNAUER_43e04d32a2.jpg" alt="KNAUER: Figure 1 - 2D-LC Principle (Graphic by KNAUER)." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Figure_1_2_D_LC_Principle_Graphic_by_KNAUER_43e04d32a2.jpg 245w," sizes="100vw" width="1291" height="391">Two-dimensional LC addresses these limitations by coupling two chromatographic separations, which can be either similar or fundamentally different. Each dimension targets different physicochemical properties of analytes, enabling the resolution of compounds that would otherwise overlap. In essence, 2D-LC introduces an additional level of separation capacity, allowing analysts to disentangle coeluting species that remain unresolved in a single dimension.An important practical consideration is that the overall analysis time is governed by the second dimension. Because fractions from the first dimension must be processed sequentially, the second dimension must operate rapidly and efficiently. High-speed separations in the second dimension are therefore essential to maintain system performance and data quality.<h4>Architecture of a 2D-LC System</h4>At its core, a 2D-LC system relies on precise coordination between its components. The setup typically consists of two chromatographic columns, two pumping systems, and a switching valve that enables fraction transfer between dimensions. The sample is introduced through an autosampler and first separated on the primary column. Fractions of interest are then transferred into a loop via a switching valve and subsequently introduced into the second column for further separation.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Figure_2_2_D_LC_System_Configuration_Example_Graphic_by_KNAUER_f5747adf3a.jpg" alt="KNAUER: Figure 2 - 2D LC System Configuration Example (Graphic by KNAUER)." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Figure_2_2_D_LC_System_Configuration_Example_Graphic_by_KNAUER_f5747adf3a.jpg 245w," sizes="100vw" width="859" height="517">The valve plays a crucial role in this process, acting as the interface between both chromatographic dimensions. Its function is to alternately collect fractions from the first dimension and inject them into the second dimension under high-pressure conditions. Various valve configurations can be employed, including ten-port or eight-port valves with dual-loop arrangements, or synchronized six-port valves. Regardless of configuration, the underlying principle remains the same: while one loop is being filled, the other is being flushed into the second dimension.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Figure_3_Schematic_figure_of_ten_port_left_and_eight_port_valve_right_2_position_setup_for_2_D_LC_Graphic_by_KNAUER_9209661ea8.jpg" alt="KNAUER: Figure 3 - Schematic figure of ten-port (left) and eight-port valve (right) 2-position setup for 2D-LC (Graphic by KNAUER)." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Figure_3_Schematic_figure_of_ten_port_left_and_eight_port_valve_right_2_position_setup_for_2_D_LC_Graphic_by_KNAUER_9209661ea8.jpg 245w," sizes="100vw" width="1287" height="406">This alternating process requires precise timing. The second-dimension separation must be completed before the next fraction is ready for transfer. Consequently, synchronization between flow rates, loop volumes, and switching intervals is essential for maintaining chromatographic integrity.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Figure_4_Schematic_figure_KNAUER_eight_port_2_position_valve_for_2_D_LC_Graphic_by_KNAUER_f9a5f06f5f.jpg" alt="KNAUER: Figure 4 - Schematic figure KNAUER eight-port 2 position valve for 2D-LC (Graphic by KNAUER)." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Figure_4_Schematic_figure_KNAUER_eight_port_2_position_valve_for_2_D_LC_Graphic_by_KNAUER_f9a5f06f5f.jpg 245w," sizes="100vw" width="756" height="391"><h4>Applying 2D-LC to Oligonucleotide Analysis</h4>In oligonucleotide workflows, 2D-LC combines two complementary separation strategies to address sample complexity. The first dimension is typically used for bulk separation based on properties such as size, charge, or polarity. Techniques such as size-exclusion chromatography (SEC), anion-exchange chromatography (AEX), ion-pair reversed-phase chromatography (IP-RP), hydrophilic interaction chromatography (HILIC), or mixed-mode chromatography (MMC) are commonly applied. This step reduces sample complexity and can also serve as an online desalting stage, removing salts and buffer components that could interfere with downstream detection, particularly when mass spectrometry is used.Following this initial separation, selected fractions are transferred to the second dimension. This transfer can be performed either selectively or comprehensively, depending on the analytical goal. The second dimension is typically optimized for high-resolution separation, allowing detailed characterization of closely related species such as truncated oligonucleotides, sequence variants, or chemically modified impurities. When coupled with mass spectrometry, this setup enables accurate identification and sequencing.A key advantage of 2D-LC lies in the flexibility of combining different stationary phases and mobile phase conditions.&nbsp;Numerous separation combinations are possible, including:<ul><li>SEC×AEX</li><li>HILIC×IP-RP</li><li>IEC×IP-RP</li><li>IP-RP×IP-RP</li><li>AEX×HIC</li><li>MMC×SEC,</li><li>and even chiral×RP systems.&nbsp;</li></ul>This adaptability allows tailored workflows for specific analytical challenges.<h4>Heart-Cutting vs. Comprehensive 2D-LC</h4>When implementing 2D-LC, two primary transfer strategies are commonly used: heart-cutting and comprehensive transfer. Each approach offers distinct advantages depending on the analytical objective.Heart-cutting 2D-LC focuses on selected regions of interest from the first dimension. Only specific peaks or time windows are transferred to the second dimension for further analysis. This approach allows extended separation time and higher resolution in the second dimension, making it particularly suitable for targeted investigations of known critical compounds. However, because only selected fractions are analyzed, unexpected impurities outside the selected region may remain undetected.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Figure_5_2_D_LC_Single_Heart_Cut_Principle_Graphic_by_KNAUER_b1b400784b.jpg" alt="KNAUER: Figure 5 - 2D-LC Single Heart-Cut Principle (Graphic by KNAUER)." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Figure_5_2_D_LC_Single_Heart_Cut_Principle_Graphic_by_KNAUER_b1b400784b.jpg 245w," sizes="100vw" width="1276" height="319">In contrast, comprehensive 2D-LC transfers the entire eluate from the first dimension into the second dimension in a continuous manner. This approach provides a complete and detailed representation of the sample, making it ideal for research and development, impurity profiling, and regulatory applications. While more demanding in terms of speed and system performance, comprehensive 2D-LC ensures full sample coverage.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Figure_6_Full_Comprehensive_2_D_LC_Principle_Graphic_by_KNAUER_e13da63ef1.jpg" alt="KNAUER: Figure 6 - Full Comprehensive 2D-LC Principle (Graphic by KNAUER)." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Figure_6_Full_Comprehensive_2_D_LC_Principle_Graphic_by_KNAUER_e13da63ef1.jpg 245w," sizes="100vw" width="1327" height="292">In practice, hybrid approaches may also be employed, combining targeted heart-cutting with broader comprehensive analysis to balance resolution and coverage.<h4>Practical Considerations for Method Development</h4>Successful implementation of 2D-LC for oligonucleotide analysis requires careful method design.&nbsp;<h5>1. Column selection&nbsp;</h5>It is a critical starting point, as the combination of stationary phases must provide sufficient orthogonality while maintaining compatibility between mobile phases. Typically, the first dimension is optimized for general separation of oligonucleotide size or class, while the second dimension focuses on sequence-specific resolution and compatibility with mass spectrometry.<h5>2. Mobile phase selection&nbsp;</h5>Differences in pH and organic modifiers can significantly influence separation behavior, but incompatibility between dimensions can compromise performance. Therefore, mobile phases must be designed as a coordinated system. The use of volatile buffers, such as ammonium acetate, is often preferred for MS-based detection.<h5>3. Instrumentation&nbsp;</h5>The switching valve must operate reliably under high pressure, with precise timing to ensure accurate fraction transfer. Loop volumes must be carefully selected to avoid overfilling, as excessive loading can lead to sample loss and distortion due to flow profile effects. As a general guideline, loops should not be filled beyond approximately 70% of their capacity.<h5>4. Method development&nbsp;</h5>Typically begins with optimization of the second dimension, as it dictates overall system timing. Fast separations using short columns and steep gradients are often required to maintain sufficient sampling frequency. Once the second dimension is established, the first dimension can be adjusted to achieve optimal resolution and compatibility.<h4>Final Remarks</h4>Two-dimensional liquid chromatography represents a powerful advancement in oligonucleotide analysis, enabling the resolution of complex mixtures that exceed the capabilities of conventional 1D approaches. By combining orthogonal separation mechanisms, 2D-LC reveals structural details and impurity profiles that would otherwise remain hidden.However, achieving optimal performance requires careful balancing of multiple factors, including column chemistry, mobile phase compatibility, system timing, and data acquisition. When properly implemented, 2D-LC provides a robust and highly informative platform for modern oligonucleotide characterization.<blockquote><ul><li>If you're planning to set up or optimize your oligonucleotide workflow, feel free to contact us at <a href="sales@knauer.net">sales@knauer.net</a>. Stay tuned for more exciting insights into the Oligonucleotide world in our “Oligos Made Easy” series.</li><li>For more in-depth discussion or questions, reach out to the author at <a href="kindler@knauer.net">kindler@knauer.net</a></li></ul></blockquote>

Oligos Made Easy - Part 9: 2D-LC

News from LabRulezLCMS Library - Week 14, 2026

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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.

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Thermo Scientific Acclaim C30 HPLC Columns

For separations of hydrophobic, structurally related isomers, Thermo Scientific™ Acclaim™ C30 LC reversed-phase columns provide superior results. 

For separations of hydrophobic, structurally related isomers, Thermo Scientific™ Acclaim™ C30 LC reversed-phase columns provide superior results. The covalent modification of C30 alkyl silane on ultrapure, spherical, porous silica gel gives these columns high shape selectivity. They are fully compatible with various aqueous buffers, useful for a broad application range of analytes, and offer more flexibility in method development.<h5>High Shape Selectivity for the Separation of Structurally Related Isomers</h5><ul><li>Unique selectivity complementary to other reversed-phase columns</li><li>High efficiency and rugged packing</li><li>Extremely low bleed, fully compatible with MS</li><li>Stable between pH 2 and 8</li><li>Available in 3 and 5μm particle sizes and 4.6, 3.0, and 2.1mm diameters, with an average pore diameter of 200Å</li></ul><h4>Specifications</h4><ul><li>Max. Pressure: 8000 psi (550 bar)</li><li>Packing Material: Spherical, Fully Porous, Ultrapure Silica</li><li>Stationary Phase: C30</li><li>Surface Area: 200 m²/g</li><li>Temperature: 60°C</li><li>USP Type: L62</li><li>Carbon load: 13%</li><li>Phase: Reversed phase</li><li>Pore Size: 200 Å</li><li>pH: 2 to 8</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim HILIC-10 HPLC Columns

Separate highly hydrophilic molecules by hydrophilic interaction liquid chromatography using Thermo Scientific™ Acclaim™ HILIC-10 LC Columns. 

Separate highly hydrophilic molecules by hydrophilic interaction liquid chromatography using Thermo Scientific™ Acclaim™ HILIC-10 LC Columns. These columns retain and separate highly polar molecules that are unretained by reversed-phase chromatography. Their high-purity, spherical, porous silica base is covalently modified with a proprietary hydrophilic layer. This chemistry enables the use of 5–20% aqueous mobile phase while maintaining affinity for polar analytes. Sample throughput is increased without the need to evaporate and reconstitute samples dissolved in nonaqueous solvents.<h5>Rugged and Reproducible Separations of Highly Polar Compounds:</h5><ul><li>Unique selectivity, complementary to reversed-phase columns</li><li>Enhanced sensitivity for MS detection</li><li>Hydrolytically stable</li><li>Rugged column packing</li><li>Broad application range, including separation of hydrophilic drugs and drug metabolites</li></ul>Acclaim HILIC-10 LC columns are available in 3μm particle size and a variety of column formats: 4.6×150mm, for high-throughput routine analysis; 3.0×150mm, for high-throughput analysis with reduced solvent consumption; and 2.1×150mm, for LC-MS analysis.<h4>Specifications</h4><ul><li>Column type: HILIC</li><li>Max. Pressure: 6000 psi (415 bar)</li><li>Packing Material: Silica</li><li>Surface Area: 300 m²/g</li><li>Temperature: 70°C</li><li>USP Type: N/A</li><li>Carbon load: 8%</li><li>Phase: HILIC</li><li>Pore Size: 120 Å</li><li>pH: 2 to 8</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim Polar Advantage HPLC Columns

Resolve a wide variety of polar and nonpolar analytes with Thermo Scientific™ Acclaim™ PolarAdvantage (PA) columns.

Resolve a wide variety of polar and nonpolar analytes with Thermo Scientific™ Acclaim™ PolarAdvantage (PA) columns. These sulfonamide-embedded, reversed-phase columns provide unique selectivity and excellent peak shape for acidic, basic, and neutral analytes.&nbsp;In addition, the mildly hydrophilic surface, which remains in contact with aqueous-only mobile phases, negates the problems of dewetting common with conventional C18 reversed-phase columns. Use Acclaim PA columns for efficient separations of nucleic acid and bases or pharmaceutical compounds using highly aqueous mobile phases.<h5>Unique Selectivity for the Separation of Polar and nonpolar Analytes</h5><ul><li>Low silanol activity for excellent peak shape with basic compounds</li><li>High selectivity for hydrophobic aromatic molecules</li><li>Compatible with 100% aqueous mobile phase</li><li>Extremely low bleed, fully compatible with MS</li><li>Stable between pH 2 and 8</li><li>Available in 2.2, 3, and 5μm particle sizes and 4.6, 3.0, and 2.1mm diameters, with an average pore diameter of 120Å</li><li>Also available in 2.2μm RSLC format for reliable, fast separations</li><li><h4>Specifications</h4></li><li>Endcapped: Yes</li><li>Max. Pressure: 4500 psi (310 bar)</li><li>Packing Material: Spherical, Fully Porous, Ultrapure Silica</li><li>Stationary phase: Polar Embedded</li><li>Surface Area: 300 m²/g</li><li>Temperature: 60°C</li><li>USP Type: L60</li><li>Carbon load: 17%</li><li>Phase: Reversed phase</li><li>Pore Size: 120 Å</li><li>pH: 2 to 8</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim Polar Advantage II HPLC Columns

Resolve polar and nonpolar compounds in a single run with Thermo Scientific Acclaim PolarAdvantage II (PA2) reversed-phase columns.

Resolve polar and nonpolar compounds in a single run with Thermo Scientific™ Acclaim™ PolarAdvantage II (PA2) reversed-phase columns. These high-efficiency, silica-based columns have a polar-embedded stationary phase that operates over a wider range of chromatographic conditions than possible with conventional reversed-phase stationary phases. Its unique chemistry provides enhanced hydrolytic stability from pH 1.5 to 10 with 100% aqueous mobile phases. The column exhibits selectivity that is complementary to conventional C18 columns and excellent peak shapes for both basic and acidic compounds.<h5>Complementary Selectivity and Enhanced Hydrolytic Stability</h5><ul><li>Compatible with 100% aqueous mobile phases</li><li>High reversed-phase capacity</li><li>Exceptional hydrolytic stability from pH 1.5 to 10</li><li>Extremely low bleed, fully compatible with mass spectrometry (MS)</li><li>Available in 2.2, 3, and 5μm particle sizes and 4.6, 3.0, and 2.1mm diameters, with an average pore diameter of 120Å</li><li>Also available in 2.2μm RSLC format for reliable, fast separations</li><li><h4>Specifications</h4></li><li>Endcapped: Yes</li><li>Max. Pressure: 4500 psi (310 bar)</li><li>Packing Material: Spherical, Fully Porous, Ultrapure Silica</li><li>Stationary phase: Polar Embedded</li><li>Surface Area: 300 m²/g</li><li>Temperature: 60°C</li><li>USP Type: L60</li><li>Carbon load: 17%</li><li>Phase: Reversed phase</li><li>Pore Size: 120 Å</li><li>pH: 1.5 to 10</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim Trinity P1 HPLC Columns

Simultaneously separate pharmaceutical drug substances and their counterions with high-efficiency Thermo Scientific Acclaim Trinity P1 LC Columns.

Simultaneously separate pharmaceutical drug substances and their counterions with high-efficiency Thermo Scientific™ Acclaim™ Trinity P1 LC Columns. A unique trimodal surface chemistry provides concurrent reversed-phase, cation-exchange and anion-exchange functionalities for maximum flexibility in method development. Easily optimize selectivity by adjusting mobile phase buffer concentration, pH and solvent content—either jointly or independently—to accelerate chromatographic separations and increase productivity.The Acclaim Trinity P1 stationary phase, based on Nanopolymer Silica Hybrid (NSH) technology, consists of high-purity porous, spherical 3μm silica particles, coated with charged nanopolymer beads. The unique surface chemistry includes an inner-pore area modified with an organic layer that provides both reversed-phase and anion-exchange properties. The outer-pore surface, conversely, is modified with cation-exchange functionality for unparalleled chromatographic performance.<h5>Superior Performance for Pharmaceutical Applications</h5><ul><li>Ideal selectivity for simultaneous separation of Active Pharmaceutical Ingredients (API) and counterions (basic, neutral and acidic analytes)</li><li>Effective retention of hydrophilic ionic and ionizable analytes without ion-pairing reagents</li><li>Distinctive spatial separation of the anion-exchange and cation-exchange regions</li><li>Flexible method development with each retention mechanism controlled independently</li><li>Low column bleed; compatible with mass spectrometry (MS), charged aerosol detection (CAD) and evaporative light scattering detectors (ELSD)</li><li>Available in 2.1 and 3.0mm diameters and 50, 100 and 150mm lengths</li></ul>Complement the Acclaim Trinity P1 column with the Acclaim Trinity P2 column to provide a total solution for pharmaceutical counterion analysis by HPLC. Use the Acclaim Trinity P2 column to separate counterions, including monovalent and divalent cations or anions.<h4>Specifications</h4><ul><li>For use with: ELSD, UV Detector</li><li>Max. Pressure: 4500 psi (310 bar)</li><li>Packing Material: Spherical, Nanopolymer Hybrid Silica</li><li>Stationary phase: Reversed Phase/Anion Exchange/Cation Exchange</li><li>Surface Area: 100 m²/g</li><li>Temperature: 45°C</li><li>Phase: Reversed Phase and Ion Exchange</li><li>Pore Size: 300 Å</li><li>pH: 2.5 to 7</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim Trinity P2 HPLC Columns

Separate pharmaceutical counterions, including monovalent and divalent cations or anions, with Thermo Scientific Acclaim Trinity P2 LC Columns.

Separate pharmaceutical counterions, including monovalent and divalent cations or anions, with Thermo Scientific™ Acclaim™ Trinity P2 LC Columns. The innovative, mixed-mode column technology provides hydrophilic interaction, HILIC, anion-exchange, and cation-exchange functionalities for flexible method development. Use the Acclaim Trinity P2 LC column to complement the Acclaim Trinity P1 LC column, which simultaneously separates pharmaceutical drug substances and their counterions, to provide a total solution for pharmaceutical counterion analysis by HPLC.The Acclaim Trinity P2 stationary phase, based on Nanopolymer Silica Hybrid (NSH) technology, consists of high-purity porous, spherical silica particles, coated with charged nanopolymer particles. The unique surface chemistry includes an inner-pore area of the silica bead modified with a covalently bonded organic layer that provides cation-exchange retention. The outer-pore surface is modified with anion-exchange nano-polymer beads. This chemistry ensures spatial separation of the anion-exchange and cation-exchange regions.<h5>High Selectivity for Counterion Analysis</h5><ul><li>Low column bleed; compatible with mass spectrometry (MS) and charged aerosol detection (CAD)</li><li>Hydrolytically stable</li><li>High efficiency</li><li>Available in 3.0μm particle size and 2.1 and 3.0mm diameters, in 50 and 100mm lengths</li></ul><h4>Specifications</h4><ul><li>Max. Pressure: 6000 psi (415 bar)</li><li>Packing Material: Spherical, Fully Porous Silica</li><li>Stationary phase: Spherical, Nanopolymer Hybrid Silica</li><li>Surface Area: 100 m²/g</li><li>Temperature: 45°C</li><li>Phase: HILIC and Ion Exchange</li><li>Pore Size: 300 Å</li><li>pH: 2.5 to 7</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim Mixed Mode WAX-1 HPLC Columns

When you need powerful selectivity control for the separation of anionic molecules, use Thermo Scientific Acclaim Mixed-Mode WAX-1 LC columns. 

When you need powerful selectivity control for the separation of anionic molecules, use Thermo Scientific™ Acclaim™ Mixed-Mode WAX-1 LC columns. The silica-based stationary phase features a hydrophobic alkyl chain with an ionizable terminus that provides both hydrophobic reversed-phase and weak anion-exchange properties. This unique chemistry produces a multimode separation mechanism for simultaneous separation of acidic, basic, and neutral molecules. The selectivity is fully adjustable through changes to ionic strength, pH, or organic solvent content.<h5>Ideal Selectivity for Separating Anionic Molecules</h5><ul><li>Multi-mode retention mechanism: reversed-phase, weak anion-exchange, and HILIC modes</li><li>Differentiation of molecules with similar hydrophobicities, such as hydrophilic organic acids</li><li>Selectivity orthogonal to reversed-phase columns</li><li>Excellent column efficiency and peak symmetry</li><li>Stable between pH 2.5 and 7.5</li><li>Available in 3 and 5μm particle sizes with an average pore diameter of 120Å</li></ul><h4>Specifications</h4><ul><li>Column type: Mixed mode</li><li>Max. Pressure: 5800 psi (400 bar)</li><li>Packing Material: Spherical, Fully Porous, Ultrapure Silica</li><li>Stationary phase: Hydrophobic Alkyl Chain with an Ionizable Terminus</li><li>USP Type: L78</li><li>Surface Area: 300 m²/g</li><li>Temperature: 50°C</li><li>Phase: Reversed Phase, Ion Exchange, HILIC</li><li>Pore Size: 120 Å</li><li>pH: 2.5 to 7.5</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim Mixed Mode WCX-1 HPLC Columns

Separate cationic molecules with powerful adjustable selectivity control using Thermo Scientific Acclaim Mixed-Mode WCX-1 LC columns.

Separate cationic molecules with powerful adjustable selectivity control using Thermo Scientific™ Acclaim™ Mixed-Mode WCX-1 LC columns. The silica-based stationary phase features a hydrophobic alkyl chain with a carboxyl terminus that provides both hydrophobic reversed-phase and weak cation-exchange properties. This multimode separation mechanism delivers simultaneous separation of basic and neutral compounds. By independently or simultaneously tuning the mobile phase ionic strength, pH, and organic modifier, you can control the selectivity of ionizable and neutral compounds.<h5>Retains and Separates Highly Hydrophilic to Highly Hydrophobic Basic Molecules</h5><ul><li>Multimode retention mechanism: reversed-phase, weak cation-exchange, anion-exclusion, and HILIC modes</li><li>Selectivity complementary to C18 reversed-phase columns</li><li>Efficient primary column for a variety of basic analytes; also an ideal column for secondary methods development</li><li>Versatile in applications that require different selectivities</li><li>Symmetrical peak shapes and excellent efficiency</li><li>Stable between pH 2.5 and 7.5</li><li>Available in 3 and 5μm particle sizes with an average pore diameter of 120Å</li></ul><h4>Specifications</h4><ul><li>Column type: Mixed mode</li><li>For use with: RPLC, Cation Exchange, Ion-Exclusion, HILIC</li><li>Max. Pressure: 6000 psi (415 bar)</li><li>Packing Material: Silica</li><li>Stationary phase: Hydrophobic Alkyl Chain with a Carboxyl Terminus</li><li>USP Type: L85</li><li>Surface Area: 300 m²/g</li><li>Temperature: 50°C</li><li>Phase: Reversed Phase, Ion Exchange, Ion Exclusion, HILIC</li><li>Pore Size: 120 Å</li><li>pH: 2.5 to 7.5</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim Mixed Mode HILIC-1 HPLC Columns

Get all the advantages of reversed-phase (RP) and hydrophilic interaction liquid chromatography (HILIC) in one column with the Thermo Scientific Acclaim Mixed-Mode HILIC-1 column.

Get all the advantages of reversed-phase (RP) and hydrophilic interaction liquid chromatography (HILIC) in one column with the Thermo Scientific™ Acclaim™ Mixed-Mode HILIC-1 column. The high-efficiency, silica-based, mixed-mode stationary phase consists of a hydrophobic alkyl chain with a diol group at the terminus. The hydrophobic moiety supplies reversed-phase retention and the terminal diol group facilitates hydrophilic interactions. This unique combination provides adjustable selectivity with unsurpassed resolution and peak symmetry for a variety of both polar and nonpolar molecules.<h5>Separates Both Polar and Nonpolar Molecules with Selectivity Complementary to RP Columns</h5><ul><li>Operates in both RP and HILIC modes</li><li>Retains highly polar molecules</li><li>Covers broader application range than conventional diol-based columns, including nonionic ethoxylated surfactants, drug metabolites, lipids, and polyethylene glycols (PEGs)</li><li>Stable between pH 2.5 and 7.5</li><li>Available in 3 and 5μm particle sizes with an average pore diameter of 120Å</li></ul><h4>Specifications</h4><ul><li>Column type: Mixed mode</li><li>For use with: HILIC</li><li>Max. Pressure: 5800 psi (400 bar)</li><li>Packing Material: Spherical, Fully Porous, Ultrapure Silica</li><li>Stationary phase: Hydrophobic Alkyl Chain with a Diol Group</li><li>USP Type: N/A</li><li>Surface Area: 300 m²/g</li><li>Temperature: 50°C</li><li>Phase: Reversed Phase, HILIC</li><li>Pore Size: 120 Å</li><li>pH: 2.5 to 7.5</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim SEC-1000 HPLC Columns

Separate water-soluble polymers and oligomers with Thermo Scientific™ Acclaim™ SEC-1000 Size Exclusion HPLC Columns. 

Separate water-soluble polymers and oligomers with Thermo Scientific™ Acclaim™ SEC-1000 Size Exclusion HPLC Columns. These resin-based, high-performance, size-exclusion chromatography columns cover molecular weight range: 7μm, 1000Å. The combination of a proprietary mono-dispersed multi-pore hydrophilic resin and small particle size provides high-resolution and good linearity of the calibration curve with no inflection points for accurate, reliable analysis of a variety of water-soluble polymers.The Acclaim SEC-1000 LC column is calibrated from 1,000 to 1,000,000 Daltons and can characterize high molecular weight polymers.<h5>High-Performance Analysis of Water-Soluble Polymers</h5><ul><li>High-resolution analysis at reduced solvent consumption in available 4.6 x 300mm dimension</li><li>Stable surface bonding leads to low column bleed and enhances compatibility with UV, RI, MS, ELSD and Thermo Scientific Dionex™ Corona™ Charged Aerosol Detectors</li></ul><h4>Specifications</h4><ul><li>Column type: Size exclusion</li><li>Endcapped: yes</li><li>Max. Pressure: 600 psi (40 bar)</li><li>Packing Material: Spherical, Fully Porous Polymer</li><li>Temperature: 60°C</li><li>Phase: Size exclusion</li><li>Pore Size: 1000 Å</li><li>pH: 2 to 12</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Products from Thermo Fisher Scientific distributed by Thermo Fisher Scientific (EMEA) - page 11

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