90.93 Standard confirmed Mar 25, 2022
ISO
ISO/TC 132 Ferroalloys
International Standard
73.060.20 Manganese ores
Published
Specifies methods of preparing samples of manganese ores for determining the chemical composition and moisture content of a consignment. The methods are applicable to natural or processed manganese ores. Details of the riffle divider to be used are given in the annex.
PUBLISHED
ISO 4296-2:1983
90.93
Standard confirmed
Mar 25, 2022