Standard [CURRENT]
DIN EN ISO 2871-1:2010-06
Surface active agents - Detergents - Determination of cationic-active matter content - Part 1: High-molecular-mass cationic-active matter (ISO 2871-1:2010); German version EN ISO 2871-1:2010
- German title
- Tenside - Waschmittel - Bestimmung des Gehaltes der kationaktiven Substanz - Teil 1: Hochmolekulare kationaktive Substanz (ISO 2871-1:2010); Deutsche Fassung EN ISO 2871-1:2010
- Publication date
- 2010-06
- Original language
- German
- Pages
- 8
- Publication date
- 2010-06
- Original language
- German
- Pages
- 8
- DOI
- https://dx.doi.org/10.31030/1623862
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This standard specifies a method for the determination of high-molecular-mass cationic-active matter. It is applicable to solids or to aqueous solutions of the active material. The relative molecular mass of the cationic-active matter must be known or previously determined if its content is expressed as a percentage by mass. This standard is not applicable if anion-active compounds are present. For the determination of the cationic-active matter an aliquot portion of a standard solution of sodium lauryl sulphate is titrated with a solution of the test sample, according to the two-phase titration procedure specified in ISO 2271. EN ISO 2781-1 has been prepared by Technical Committee ISO/TC 91 "Surface active agents" (secretariat: ISIRI, Iran), in collaboration with Technical Committee CEN/TC 276 "Surface active agents" (secretariat: AFNOR, France). The responsible German Committee is Working Committee NA 062-05-62 AA "Analytik von Tensiden" ("Analytics of surfactants") of NMP.
This document replaces DIN EN ISO 2871-1:1994-12 .