Abstract
A gas-chromatographic procedure for the microdetermination of carboxyl groups by decarboxylation is described. The sample is heated in the presence of quinoline and cupric carbonate in a closed vessel; the carbon dioxide formed is then driven into the gas chromatograph. The peak-height on the chromatogram varies linearly with the amount of carboxylic acid in the sample. The method is rapid, simple, and accurate.
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