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NBN EN ISO 4047:1998
Leather - Determination of sulphated total ash and sulphated water-insoluble ash (ISO 4047:1977)
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Summary
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.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 11/30/1998 |
| Cancellation Date | 03/31/1999 |
| Page Count | 9 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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30/11/1998
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