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Homepage>CSN Standards>79 LEATHER INDUSTRY>7920 Quality of leather, general>CSN EN ISO 4047 - Leather - Determination of sulphated total ash and sulphated water-insoluble ash (ISO 4047:1977)
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FREE SHIPPINGReleased: 1977
CSN EN ISO 4047 - Leather - Determination of sulphated total ash and sulphated water-insoluble ash (ISO 4047:1977)

CSN EN ISO 4047

Leather - Determination of sulphated total ash and sulphated water-insoluble ash (ISO 4047:1977)

CURRENCY
LANGUAGE
English
Category:792012
Released:1977
Released:1998
Number of Standard:CSN EN ISO 4047
DESCRIPTION

EN ISO 4047


EN ISO 4047 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.

Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.
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