ISO 2869:1973
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Agents de surface — Détergents — Matière active anionique hydrolysable en milieu alcalin — Détermination de la matière active anionique hydrolysable et non hydrolysable
| Published By | Publication Date | Number of Pages |
| ISO | 1973-12 | 4 |
The determination is carried out as follows: Titration of an aliquiot portion of a sample solution with benzethonium chloride solution according to the direct two-phase titration procedure describes in ISO 2271. Hydrolysis by refluxing under alkaline conditions of a second aliquot portion of the sample solution. Titration of unhydrolyzed anionic-active matter with benzethonium chloride solution as before. Calculation of the contents of hydrolyzable and non-hydrolyzable anionic-active matter from the results obtained.
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