洗剤の成分分析に関する研究 (第7報) : 直鎖アルキルベンゼンスルホン酸塩とアルカンスルホン酸塩の混合物の分離と定量

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This paper presents a study of separation and determination of a mixture detergent grade linear alkylbenzenesulfonate (LAS) and alkanesulfonate (SAS).<BR>By alkali fusion treatment, LAS and SAS were converted to alkylphenols and olefins, respectively. These derivatives were readily separated by silica gel column chromatography. The first fraction n-hexane contained olefins and the second one (ethyl ether) contained alkylphenols.<BR>The distribution of carbon chain length of these derivatives was determined by gas chromatography on an OV-101 glass capillary column. Gas chromatographic data agreed well with those of the starting materials.<BR>The molar ratio of LAS to SAS was determined by NMR spectroscopy after these compounds were converted to the corresponding methyl esters.
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