Surface active agents -- Detergents -- Anionic-active matter hydrolyzable under alkaline conditions -- Determination of hydrolyzable and non-hydrolyzable anionic-active matter

Document Number: ISO 2869:1973
File Size: 227 kB
Language: English
Provider: ANSI
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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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