Published
The checking applies to manganese and chromium ores, whether natural or processed, being carried out in accordance with the methods specified in the relevant International Standards. Includes general conditions for division of experimental samples and experimental methods of division a) in three or more stages or b) in one or two stages.
PUBLISHED
ISO 8530:1986
90.93
Standard confirmed
Mar 25, 2022
ABANDON
ISO/WD 8530
Manganese and chromium ores — Experimental methods for checking the precision of sample division
60.60 Standard published