Abstract / scope
The method is applicable to products having a chromium content greater than 7 % (m/m). Should be read in conjunction with ISO 6629. Specifies principle, reagents, apparatus, procedure and expression of results.
ISO 6331:1983Withdrawn
Chromium ores and concentrates — Determination of chromium content — Titrimetric method
Minerais et concentrés de chrome — Dosage du chrome — Méthode titrimétrique
This edition has been replaced by ISO 6331:2024.