ISO 2868:1973 PDF

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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.

Edition

1973

Published Date

1973

Published By

International Standardization Organisation

Page Count

2

ISO 2868:1973 PDF
$43.00 Original price was: $43.00.$33.54Current price is: $33.54.