International Organization for Standardization (ISO)
Latest
ISO 8530:1986
Scope
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.
ISO 8530:1986 history
1986ISO 8530:1986 Manganese and chromium ores; Experimental methods for checking the precision of sample division