90.93 Standard confirmed Mar 25, 2022
ISO
ISO/TC 132 Ferroalloys
International Standard
73.060.20 Manganese ores
Published
The method is applicable to products having calcium and magnesium contents greater than 0,3 % (m/m). Should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sample, procedure and expression of results.
WITHDRAWN
ISO/R 552:1966
PUBLISHED
ISO 6233:1983
90.93
Standard confirmed
Mar 25, 2022