Abstract
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.
General information
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Status: PublishedPublication date: 1973-12Stage: International Standard confirmed [90.93]
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Edition: 1Number of pages: 2
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Technical Committee :ISO/TC 91ICS :71.100.40
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