Increase productivity and profitability in contract testing labs

Importance of the topic

The selection of analytical platforms for multi‑parameter wet chemistry directly affects productivity, turnaround time, safety, and profitability in contract testing laboratories. Traditional bench methods and standalone analyzers are often labor‑intensive, generate large volumes of waste, and limit the number of parameters processed per sample. Automating wet chemistry workflows with consolidated discrete analyzer technology can reduce per‑sample costs, improve traceability, and enable higher throughput while maintaining method robustness required by regulatory testing programs.

Objectives and study / brochure overview

This material presents the Thermo Scientific Gallery discrete analyzer as a consolidated solution for routine wet chemical testing in commercial and contract labs. The primary aims are to demonstrate how a single automated platform can replace multiple manual or instrument‑specific workflows, lower sample and reagent consumption, reduce waste and disposal costs, and increase operator productivity and overall profitability per test.

Methodology and analytical approach

The Gallery discrete analyzer applies automated discrete wet chemistry: individual small‑volume aliquots of sample and reagents are dispensed into separate reaction wells and measured spectrophotometrically. Key elements emphasized are ready‑to‑use barcoded reagents and standards, micro‑volume handling (low μL range), and walkaway operation. This contrasts with traditional techniques such as Flow Injection Analysis (FIA), Segmented Flow Analysis (SFA), manual titration, and single‑parameter instruments (pH/conductivity meters, spectrophotometers, ion meters), which are more operator dependent, consume larger sample/reagent volumes, produce more waste, and typically handle fewer parameters per run.

Used instrumentation

The brochure centers on the Thermo Scientific Gallery discrete analyzer platform and compares it to conventional instrumentation commonly found in contract labs. Notable features and comparative specifications reported are:

• Gallery discrete analyzer: consolidated multi‑parameter platform designed for a single‑technician workflow.
• Sample consumption: 2–240 μL per analysis (Gallery) versus typical 50–100 mL per test for many traditional wet chemistry workflows.
• Reagent consumption: approximately 2–120 μL with barcoded, ready‑to‑use reagents in the Gallery, reducing manual preparation and traceability issues.
• Throughput: up to about 200–350 tests per hour on the Gallery versus roughly 20–80 tests per hour for many conventional methods.
• Analytes covered (representative, not exhaustive): anions (fluoride, chloride, nitrite, nitrate, sulfate), ammonia and Total Kjeldahl Nitrogen, phosphate/total phosphorus, alkalinity, hardness, calcium, magnesium, potassium, organic acids, and many beverage‑specific parameters. Other methods (HPLC, FIA/SFA, spectrophotometry, titration, ion meters) are used historically for specific assays or metals.

Main results and discussion

The key performance claims and comparative findings described are:

• Material and waste savings: Micro‑volume sampling and reagent dosing substantially reduce waste generation and disposal costs, positively affecting per‑test profitability.
• Operational efficiency: Automation and walkaway capability enable a single operator to process many more samples with reduced hands‑on time and lower training overhead.
• Throughput and turnaround: Consolidation onto one instrument allows fast multi‑parameter analysis per sample, shortening turnaround time compared with running multiple separate instruments or sequential assays.
• Traceability and safety: Barcoded reagents and standards decrease manual pipetting errors, improve traceability and inventory control, and reduce direct handling of chemical reagents.

Discussion points and practical considerations include:

• Method equivalence and validation: Laboratories must validate discrete analyzer methods against regulatory or reference methods where required, especially for compliance testing (e.g., water/wastewater regulations).
• Scope limitations: Some specialized analyses (e.g., certain metals, cyanide speciation, or complex organic separations) may still require orthogonal techniques (ICP, HPLC, FIA/SFA or titration).
• Capital and operational tradeoffs: Initial investment in an automated discrete analyzer is offset over time by reagent savings, reduced labor costs, and higher throughput, but labs should perform a cost‑benefit analysis using their specific test mix and volumes.

Benefits and practical applications

Practical advantages highlighted for contract testing and routine laboratories include:

• Improved profitability per sample via lower reagent and waste disposal costs and higher sample throughput.
• Enhanced productivity through walkaway operation and ability to run many parameters from a single sample without multiple instrument transfers.
• Better laboratory safety and compliance afforded by ready‑to‑use, barcoded reagents and reduced manual handling.
• Applicable sectors: environmental (drinking water, wastewater), beverage testing (beer, wine, cider), municipal and industrial contract testing where routine inorganic and nutrient panels are common.

Future trends and potential applications

Adoption of discrete automated wet chemistry is likely to expand as laboratories demand higher efficiency and tighter cost control. Anticipated developments and opportunities include:

• Deeper LIMS and data ecosystem integration for automated result reporting, compliance tracking, and remote monitoring of instrument health.
• Expanded reagent menus and chemistries to broaden the range of analytes measurable by discrete platforms, reducing the need for orthogonal techniques.
• Miniaturization and further reductions in reagent/sample volumes to improve sustainability and lower per‑test cost.
• Standardization and acceptance of discrete methods in regulatory compendia, facilitating wider use in certified contract testing.

Conclusion

The Thermo Scientific Gallery discrete analyzer brochure positions discrete automation as a practical route to reduce cost per test, minimize waste, increase throughput, and simplify multi‑parameter wet chemistry workflows in contract testing laboratories. While some specialized analyses will still require other technologies, the consolidation of routine assays onto a single automated platform can deliver measurable gains in productivity, traceability, and profitability when properly validated and integrated into laboratory operations.

References

Thermo Fisher Scientific. Gallery discrete analyzer product information brochure, document IN73408-EN, 2020.