This standard was last reviewed and confirmed in 2022. Therefore this version remains current.
Specifies experimental methods for the evaluation of quality variation of manganese and chromium ores, whether natural or processed, for the purpose of defining sampling procedure by the mass-basis systematic method and the two-stage method as specified in the relevant International Standards. It also specifies methods for checking the precision of sampling by the mass-basis systematic method and the two-stage method.
Status: PublishedPublication date: 1986-11
Edition: 1Number of pages: 9
Technical Committee: ISO/TC 132 Ferroalloys
- ICS :
- 73.060.20 Manganese ores
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|std 1 61|
|std 2 61||Paper|
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Stage: 90.93 (Confirmed)
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