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Norm

ISO 894:1977

Issue date: 1977 11 01

Surface active agents — Technical sodium primary alkylsulphates — Methods of analysis

Specifies the following methods of analysis for the substances to be tested: measurement of pH, determination of water content, determination of free alkalinity or free a...
Valid
Publisher:
International Organization for Standardization
Format:
Digital | 8 Pages
Language:
English

Specifies the following methods of analysis for the substances to be tested: measurement of pH, determination of water content, determination of free alkalinity or free acidity, determination of total alkalinity, determination of matter extractable by light petroleum, determination of matter extractable by diethyl ether after acid hydrolysis (combined technical fatty alcohols), determination of sodium sulphate content, determination of sodium chloride content. In annex a general schema of analysis is given.