90.93 Standard confirmed Jul 23, 2020
ISO
ISO/TC 132 Ferroalloys
International Standard
77.100 Ferroalloys
The method is applicable to alloys containing from 8 to 95 % (m/m) silicon. Specifies principle, reagents, apparatus, sample, procedure, expression of results, reproducibility and test report. Warns of perchloric acid fumes.
PUBLISHED
ISO 4158:1978
90.93
Standard confirmed
Jul 23, 2020