Analysis of Volatile Organic Compounds in Water by Dynamic Stripping, Thermal Desorption, Cryofocusing, and Capillary Gas Chromatograph

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Abstract
A dynamic headspace procedure developed for the determination of volatile organic compounds (VOCs) in water is described. The VOCs are purged from a water sample with an inert gas, transferring them to a tube packed with Tenax adsorbent. The absorbent tube, or trap, is thermally desorbed, the analytes cryofocused, and subsequently transferred to a capillary column gas chromatograph.