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ISO 4322:1977

Current Revision

Non-ionic surface active agents -- Determination of sulphated ash -- Gravimetric method

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The method consists in calcination of a test portion in the presence of sulphuric acid solution and weighing of the ash in form of sulphate.


SDO ISO: International Organization for Standardization
Document Number ISO 4322
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 4322:1977 Revision