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ISO 2868:1973

Surface active agents -- Detergents -- Anionic-active matter stable to acid hydrolysis -- Determination of trace amounts
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ISO 2868:1973

Surface active agents -- Detergents -- Anionic-active matter stable to acid hydrolysis -- Determination of trace amounts

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The sample is hydrolyzed by refluxing under acid conditions. The non-hydrolyzable anionic-active matter is determined by the direct two-phase titration procedure describes in ISO 2271. This method is applicable to the determination of cyclic sulphonates in alkylphenol ether sulphates and of small amounts of sulphonates in sulphated fatty alcohols. The molar mass of the anionic matter must be known or previously determined, if its content is expressed as percentage by mass.

SDO ISO: International Organization for Standardization
Document Number ISO 2868
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 91
Publish Date Document Id Type View
Not Available ISO 2868:1973 Revision