This standard was last reviewed and confirmed in 2022. Therefore this version remains current.
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 sampling and preparation of samples and experiments for bias of sampling and of sample preparation, gives a data analysis and reviews results.
Status: PublishedPublication date: 1986-10
Edition: 1Number of pages: 6
Technical Committee: ISO/TC 132 Ferroalloys
- ICS :
- 73.060.20 Manganese ores
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|std 2 40||Paper|
A standard is reviewed every 5 years
Stage: 90.93 (Confirmed)
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