RO
SR EN ISO 4047:2002
Leather - Determination of sulphated total ash and sulphated water-insoluble ash (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.
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Status :
Valid
Approval date : 9/25/2002
Publish date : 9/26/2002
Number of pages : 8
ICS : 59.140.30 Leather and furs
Technical Committee : 102 - Leather, furs and leather substitutes and test methods for them
- Replaces SR ISO 4047:1995
- Normative reference SR ISO 2588:1998
- Normative reference SR EN ISO 4044:2002
- A99 SR ISO 4047:1995/A99:2002