Evaluation of Dye-Dispersing Power

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  • IMAHORI Seiichi
    Department of Applied Chemistry, Faculty of Engineering, Nagoya University
  • KIMURA Wasaburo
    Department of Applied Chemistry, Faculty of Engineering, Nagoya University

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Other Title
  • 界面活性剤の染料分散力試験法
  • カイメン カッセイザイ ノ センリョウ ブンサンリョク シケンホウ ハンビリョウ アゾピグメント コウデン ヒショクホウ
  • “Semimicro Azopigment Electrophotometry”
  • 半微量アゾピグメント光電比色法

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Description

For the evaluation of dye-dispersing power of surface active agents, “Semimicro Azopigment Electrophotometry” has been established which consists of coupling diazotized base with naphthol in the presence of dispersing agents under definite conditions and determination of the amount of azopigment in filtered dispersion by electrophotometry.<BR>It was found that this method is suitable for the accurate determination of dispersing power of surface active agents.

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