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Die quantitative Erfassung von Methan im Seewasser
Authors:Dr Peter Bossard dipl sc nat  Thomas Joller  Ernö Szabó dipl Chem
Institution:(1) Present address: Seenforschungslaboratorium der EAWAG/ETH, CH-6047 Kastanienbaum, Schweiz;(2) Present address: EAWAG, CH-8600 Dübendorf, Schweiz
Abstract:A preparation method for the quantitative analysis of methane in lake water samples has been developed. The method is based on the equilibrium reactions of gases in a closed two-phase (headspace-water) system, in which the headspace gas is analyzed gaschromatographically. The method shows a standard deviation of ±5%, including sampling and sample preparation and can also be used for the quantitative determination of other dissolved gases.
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