パイログラムによるC3〜C6脂肪族ケトンの定性分析(ノート)

概要

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For the identification of gas chromatographic eluents, pyrolysis gas chromatography has been carried out. In this fourth report, C3C6 aliphatic ketones were chosen as the eluents. The apparatus and the procedure were the same as that described elsewhere, and the gas chromatographic conditions were shown in Table I. The feature of pyrograms of ketones was characterized in the monolefins which hold the carbon skeletons of the original ketones. Furthermore, the amount of the monolefins produced occupies more than 70% in the total amount of products, and their double bond positions suggest the position of the carbonyl carbon atom, since the double bonds are formed between the carbonyl carbon atom and either of the adjacent carbon atoms (Table II).
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