Abstract
A gas—liquid chromatographic method has been developed to separate on a small scale (acid samples as small as 2 mg) the enantiomers of 2-methylbutyric acid and to estimate a few per cent of one isomer as a contaminant in the other. Both the α-methylbenzyl ester and the α-methylbenzyl amide give a satisfactory resolution of the enantiomers. Chromatographic conditions in the order of importance are the final column temperature, the rate of temperature programming and the initial column temperature.
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