• ASTM D4251-89(2016)

ASTM D4251-89(2016)

  • Standard Test Method for Active Matter in Anionic Surfactants by Potentiometric Titration
  • standard by ASTM International, 07/01/2016
  • Category: ASTM

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1.1 This test method describes a potentiometric titration procedure for determining the anionic active matter in detergents. It is intended for the analysis of anionic surfactants such as detergent range alkylbenzenesulfonates, α-olefin sulfonates, alcohol sulfates, and alcohol ethosulfates. It has not been tested for surfactant formulations.

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