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ISO 4047:1977

Current
Current

The latest, up-to-date edition.

Leather — Determination of sulphated total ash and sulphated water-insoluble ash
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French

Published date

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.

DocumentType
Standard
Pages
2
PublisherName
International Organization for Standardization
Status
Current

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17/30360611 DC : 0 BS EN ISO 5398-1 - LEATHER - CHEMICAL DETERMINATION OF CHROMIC OXIDE CONTENT - PART 1: QUANTIFICATION BY TITRATION
BS EN ISO 5398-1:2007 Leather. Chemical determination of chromic oxide content Quantification by titration
DIN EN ISO 5398-1:2007-10 LEATHER - CHEMICAL DETERMINATION OF CHROMIC OXIDE CONTENT - PART 1: QUANTIFICATION BY TITRATION
EN ISO 5398-1:2007 Leather - Chemical determination of chromic oxide content - Part 1: Quantification by titration (ISO 5398-1:2007)

ISO 2588:2014 Leather Sampling Number of items for a gross sample
ISO 2418:2017 Leather — Chemical, physical and mechanical and fastness tests — Sampling location
ISO 4044:2017 Leather — Chemical tests — Preparation of chemical test samples
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