90.92 Standard to be revised Apr 26, 2024
ISO
ISO/TC 132 Ferroalloys
International Standard
73.060.20 Manganese ores
Published
The method is applicable to products having an iron content between 0,2 % (m/m) and 10 % (m/m). ISO 9681 should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sampling and samples, procedure, and expression of results.
PUBLISHED
ISO 9681:1990
90.92
Standard to be revised
Apr 26, 2024
IN_DEVELOPMENT
ISO/AWI 9681