Techniques for Reducing Purge-and-Trap Cycle Times in VOC Analysis

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E-Separation Solutions

E-Separation SolutionsE-Separation Solutions-05-10-2008
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The purge-and-trap (P&T) technique for analysis of volatile organic compounds (VOCs) was pioneered in the 1970s at the United States Environmental Protection Agency (USEPA) research laboratory in Cincinnati. Many of the operational parameters developed during this time period are still included in USEPA methods. While these parameters still produce good analytical results, they do not take advantage of advances in instrumentation that enable analysis of emerging contaminants such as fuel oxygenates, and increased sample throughput.

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