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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ASTM E1753-18
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