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Homepage>ASTM Standards>71>71.100>71.100.40>ASTM D4251-89R24 - Standard Test Method for Active Matter in Anionic Surfactants by Potentiometric Titration
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Released: 01.11.2024

ASTM D4251-89R24 - Standard Test Method for Active Matter in Anionic Surfactants by Potentiometric Titration

Standard Test Method for Active Matter in Anionic Surfactants by Potentiometric Titration

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Standard number:ASTM D4251-89R24
Released:01.11.2024
Status:Active
Pages:4
Section:15.04
Keywords:active matter; anionic surfactants; titration ;
DESCRIPTION

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.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Material Safety Data Sheets are available for reagents and materials. Review them for hazards prior to usage.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.