NEN-EN-ISO 4047
Leather - Determination of sulphated total ash and sulphated water-insoluble ash
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 October 1998 |
| Status: | active |
| Page Count: | 8 |
| ICS Code (Leather and furs): | 59.140.30 |
scope:
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.
Document History
NEN-EN-ISO 4047
October 1, 1998
Leather - Determination of sulphated total ash and sulphated water-insoluble ash
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...