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ISO 4322:1977
M00010253
New product
ISO 4322:1977 Non-ionic surface active agents -- Determination of sulphated ash -- Gravimetric method
standard by International Organization for Standardization, 05/01/1977
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Full Description
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.