Norm

ASTM D4251-89(2016)

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

44,21

Over deze norm

Status Definitief
Aantal pagina's 4
Commissie D12.12
Gepubliceerd op 01-07-2016
Taal Engels

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 and health 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.

(A) Methylene blue method.
(B) Mixed indicator method.

Details

ICS-code 71.100.40
Nederlandse titel Standard Test Method for Active Matter in Anionic Surfactants by Potentiometric Titration
Engelse titel Standard Test Method for Active Matter in Anionic Surfactants by Potentiometric Titration

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