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>ISO Standards>ISO 4322:1977-Non-ionic surface active agents — Determination of sulphated ash — Gravimetric method
immediate downloadReleased: 1977
ISO 4322:1977-Non-ionic surface active agents — Determination of sulphated ash — Gravimetric method

ISO 4322:1977

ISO 4322:1977-Non-ionic surface active agents — Determination of sulphated ash — Gravimetric method

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Standard´s number:ISO 4322:1977
Pages:2
Edition:1
Released:1977
DESCRIPTION

ISO 4322:1977


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.
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