ISO-4047 › Leather -- Determination of sulphated total ash and sulphated water-insoluble ash

ISO-4047 - 1ST EDITION - CURRENT


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To determine the total mineral content, for example within the framework of a complete leather analysis, the inorganic substances can be ascertained by calculation or determined separately. The principle consists of the carbonization of the leather followed by treatment with sulphuric acid and ashing in an open crucible. The method is applicable to all types of leather.

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59.140.30 (Leather and furs)

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Document Number

ISO 4047:1977

Revision Level

1ST EDITION

Status

Current

Publication Date

Nov. 1, 1977

Committee Number

IULTCS/IULTCS