Fast Quantitative Analysis of a Wide Variety of Halogenated Compounds in Surface-, Drinking-, and Ground-Water
A fast quantitative analysis of a wide range of halogenated compounds in water below the microgram/litre level is performed with a glass capillary column coupled to an electron capture detector on line with a flame ionization detector. Specific parameters which are used for the confirmation of individual organo-halogen compounds in complex mixtures are very accurate retention indices and the signal ratio numbers of the E.C.D. and F.I.D. detector. A split-less injection system and a technique to avoid base line drift during temperature programming make it possible to analyze a wide variety of halogen compounds from chlorobenzene up to PCBs in one straight run.
When this technique is combined with a direct head-space procedure, compounds such as trihalomethanes, trichloroethane etc. can be analyzed too.
Results of the analyses of water of the river Rhine, and tapwater derived from surface water are presented.
KeywordsChemical Oxygen Demand Drinking Water Supply Odour Threshold Water Treatment System Glass Capillary Column
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