ISO-4322 › Non-ionic surface active agents -- Determination of sulphated ash -- Gravimetric method

ISO-4322 - 1ST EDITION - CURRENT


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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.

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Document Number

ISO 4322:1977

Revision Level

1ST EDITION

Status

Current

Publication Date

May 1, 1977

Committee Number

ISO TC 91