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Active standard | Published: 01/11/1977
ISO 4047:1977
Leather — Determination of sulphated total ash and sulphated water-insoluble ash
(Cuir — Dosage des cendres sulfatées totales et des cendres sulfatées insolubles dans l´eau)
Available languages: English, French
Available design: electronic design (pdf), Print design
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Detail information
Designation: ISO 4047:1977
Publication date: 01/11/1977
Pages: 2
Country: International technical standard
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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.Popular Publishers
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