Analytical Studies on Alkylbenzenesulfonate. I.

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Other Title
  • アルキルベンゼンスルホン酸ナトリウムの分析研究 (第1報)
  • アルキルベンゼンスルホンサン ナトリウム ノ ブンセキ ケンキュウ 1
  • Determination of ABS in Toothpaste
  • 練り歯ミガキの中に共存させたABSの分析

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The analytical method to determine a small amount of ABS in toothpaste is successfully completed : In order to eliminate sodium alkylsulfates and other methylene blue active materials, alcohol extract of toothpaste is refluxed for 2 hr with 1 : 2 hydrochloric acid. If ABS exists in the hydrolysed solution, it can be determined by Abbott's method.<BR>Thus, about 0.05% ABS which is previously mixed with toothpaste is quantitatively determined by this method.

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