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  4. Standard "ISO 4047:1977"
Standard ISO 4047:1977 1.11.1977 preview

ISO 4047:1977

Leather — Determination of sulphated total ash and sulphated water-insoluble ash

Automatically translated name:

Leather -- Determination of sulphated total ash and sulphated water-insoluble ash



STANDARD published on 1.11.1977


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The information about the standard:

Designation standards: ISO 4047:1977
Publication date standards: 1.11.1977
SKU: NS-431858
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: International technical standard
Category: Technical standards ISO

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The category - similar standards:

Leather and furs

Annotation of standard text ISO 4047:1977 :

Description / Abstract: 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.

Latest update: 2026-02-05 (Number of items: 2 260 299)
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