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ISO 4047:1977

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

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 4047:1977
Document Year: 1977
Pages: 2
Edition: 1

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ISO 4047:1977
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