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,
ASTM
Standard Test Method for Active Matter in Anionic Surfactants by Potentiometric Titration
STD-49560
1989
2009-10-01
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