Abstract
A gas chromatographic method for the analysis of water solutions of the lowest fatty acids has been described, with special reference to the separation of the system water-formic acid-acetic acid. The optimum conditions are: 20% by weight of di-2-ethyl-hexyl sebacate-citric acid mixture (1∶3), coated on silanised (trimethyl chlorsilane) Celite; temperature 110° C, thermal-conductivity detection. The method has been used for testing the composition of pure fatty acids and of technical acetic acid from wood distillation products.
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