ISO 4047:1977
Current
The latest, up-to-date edition.
Leather — Determination of sulphated total ash and sulphated water-insoluble ash
Hardcopy , PDF
English, French
01-11-1977
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.
| Committee |
IULTCS
|
| DocumentType |
Standard
|
| Pages |
2
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| NF EN ISO 4047 : 1999 | Identical |
| NBN EN ISO 4047 : 1998 | Identical |
| NEN EN ISO 4047 : 1998 | Identical |
| NS EN ISO 4047 : 1ED 1999 | Identical |
| I.S. EN ISO 4047:1999 | Identical |
| PN EN ISO 4047 : 2000 | Identical |
| SS-EN ISO 4047 : 1999 | Identical |
| BS EN ISO 4047:1998 | Identical |
| EN ISO 4047:1998 | Identical |
| NFG 52 203 : 1976 | Similar to |
| UNE-EN ISO 4047:1999 | Identical |
| UNE 59015:1983 | Identical |
| DIN EN ISO 4047:1998-12 | Identical |
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