ISO 4047:1977 (R2021)
Active , Confirmed Standard
Most Recent

ISO 4047:1977 (R2021)

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

Summary

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.

Notes

90.93 : Norme internationale confirmée

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 11/01/1977
Confirmation Date 09/22/2021
Edition 1
Page Count 2
EAN ---
ISBN ---
Weight (in grams) ---
No products.

Previous versions

Contact us