90.93 Standard confirmed Mar 25, 2022
ISO
ISO/TC 132 Ferroalloys
International Standard
73.060.20 Manganese ores
Two methods are specified. Method A is applicable to products having a nickel content of 0.01 to 1.0 % (m/m), method B is applicable to products having a nickel content of 0.005 to 1.0 % (m/m). Both methods specify principle, reactions (method A only), reagents, apparatus, sample, procedure and expression of results.
PUBLISHED
ISO 315:1984
90.93
Standard confirmed
Mar 25, 2022