GC analysis of trichloroacetic acid in water samples by large-volume injection and thermal decarboxylation in a programmed-temperature vaporizer |
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| Authors: | D Drechsel K Dettmer W Engewald Th Bittner J Efer |
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| Institution: | 1. Institut für Analytische Chemie, Universit?t Leipzig, Linnèstra?e 3, 04103, Leipzig, Germany
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| Abstract: | Summary AGC method has been developed for the analysis of tricholoroacetic acid (TCA) in water samples. It entails large-volume injection
(LVI) and programmed-temperature vaporization (PTV) of water samples, thermal decarboxylation of TCA to chloroform in the
injector, and GC-ECD analysis of the decarboxylation product. Conditions such as final injector temperature, splitless time,
and injection volume were optimized. The limit of detection is approximately 0.1 μg L−1 Several real samples were analyzed. The method presented is an easy means of determination of TCA and eliminates sample-preparation
steps such as extraction and derivatization. |
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| Keywords: | Programmed-temperature vaporization Large-volume injection Trichloroacetic acid Thermal decarboxylation Chloroform |
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