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ISO 4047:1977

Leather -- Determination of sulphated total ash and sulphated water-insoluble ash
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ISO 4047:1977

Leather -- Determination of sulphated total ash and sulphated water-insoluble ash

PUBLISH DATE 1977
ISO 4047:1977

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.

SDO ISO: International Organization for Standardization
Document Number ISO 4047
Publication Date Nov. 1, 1977
Language en - English
Page Count
Revision Level
Supercedes
Committee IULTCS/IULTCS
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