Tekmar General Brochure - Product Descriptions and Offerings

Significance of the Topic

Volatile organic compound (VOC) analysis and total organic carbon (TOC) determination are critical for monitoring water quality, process control, and regulatory compliance across environmental, pharmaceutical, and industrial sectors. Reliable, automated sample preparation and detection enhance laboratory productivity and data integrity.

Objectives and Overview

This document presents an overview of Teledyne Tekmar's analytical instruments designed for VOC sampling and TOC analysis. The objectives include:

• Describing key methodologies for VOC and TOC analysis
• Highlighting instrument features that improve sensitivity and throughput
• Demonstrating applications across various matrices and industries

Methodology and Instrumentation Used

Teledyne Tekmar employs two principal approaches for VOC analysis: purge and trap concentration and static/dynamic headspace sampling. Total organic carbon analysis is achieved through catalytic combustion and UV/persulfate oxidation, with non-dispersive infrared detection.

• Purge and Trap Systems: Atomx XYZ, Lumin PTC, AQUATek LVA
• Headspace Samplers: HT3 (static/dynamic), Versa (static)
• TOC Analyzers: Lotix (combustion with LSS boat, TN module), Torch (combustion with static pressure concentration), Fusion (UV/persulfate oxidation with SPC)

Main Results and Discussion

The described instruments deliver high sensitivity down to low parts-per-billion levels, consistent precision, and robust performance for aqueous and solid samples. Automated features, such as methanol extraction in Atomx XYZ and onboard pH monitoring in AQUATek LVA, reduce manual handling and minimize contamination. Dynamic headspace on the HT3 increases analyte recovery by up to 100-fold compared to static methods.

Benefits and Practical Applications

• Enhanced throughput through autosampling and integrated preparation
• Improved sensitivity and precision for trace-level analyses
• Versatility across complex matrices, including soils, sludges, and drinking water
• Compliance with regulatory methods (USEPA, USP, EP, JP)
• Reduced solvent use and operational costs via automated dilutions and rinsing

Future Trends and Potential Applications

Anticipated advancements include tighter integration with software for real-time data analysis, increased adoption of green sample preparation techniques, miniaturized and portable platforms for field monitoring, and expanded use of AI-driven optimization for method development. Emerging applications may target microplastics analysis, high-throughput screening for pharmaceuticals, and continuous online monitoring in manufacturing.

Conclusion

Teledyne Tekmar's suite of VOC and TOC instruments represents a mature, reliable technology portfolio that addresses current analytical challenges. Their automation, sensitivity, and adaptability support diverse laboratory requirements and pave the way for future innovations in environmental and industrial analytics.