Abstract / scope
The method is applicable to all grades of these ferroalloys. Specifies principle, reagents, apparatus, sample, procedure, expression of results and test report.
ISO 4140:1979Published
Ferrochromium and ferrosilicochromium — Determination of chromium content — Potentiometric method
Ferro-chrome et ferro-silico-chrome — Dosage du chrome — Méthode potentiométrique