Evaluation of Single vs. Dual Concentrator High Throughput VOC Systems
13 May 2013

One limitation to improving sample throughput in Volatile Organic Analysis with a single Purge and Trap system has historically been the speed in which a syringe driven autosampler could process the sample and rinse the glassware in preparation for the next sample. As a result of this limitation the Purge and Trap Bake times were in excessive of 8 minutes to accommodate the autosampler’s rinse cycle. This application note compares and evaluates two options to improve sample throughput up to 100% using a single fixed loop autosampler. All Quality Assurance data per US EPA methodologies using optimized methods will be presented.

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