90.93 Standard confirmed Mar 25, 2022
ISO
ISO/TC 132 Ferroalloys
International Standard
73.060.30 Chromium ores
Published
The method is applicable to chromium ores with iron content of 0,5 to 32 % (m/m). Should be read in conjunction with ISO 6629. Specifies principle, reagents, apparatus, sampling and samples, procedure and expression of results. Includes a warning to the dangers involved in the use of perchloric acid and hydrofluoric acid.
PUBLISHED
ISO 6130:1985
90.93
Standard confirmed
Mar 25, 2022
ABANDON
ISO/WD 6130