アクリロニトリル中のアセトアルデヒドおよびメチルビニルケトンの定量
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概要
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Quantitative determination of a small amount (00.1%) of acetaldehyde in acrylonitrile, was investigated, and it was found that by using a suitable amount of fuchsin reagent the determination was not affected by the presence of impurities, and the lower limit for the estimation was 0.001% with an error of ± 0. 002%. Also, the estimation of methyl vinyl ketone (00.02%) was carried out by a <I>m</I>-phenylenediamine method with the lower limit for determination 0.0003%, and with an error ±0.0006%.<BR>Those methods showed higher accuracies than the methods of R. L. Maute <I>et</I> <I>al</I>., and were applicable for the quality inspection of acrylonitrile to be used as a raw material for synthetic fiber.
- 社団法人 日本分析化学会の論文