OS GSO ISO 8542:2017
Omani Standard
Current Edition
·
Approved on
03 October 2017
·
Manganese and chromium ores -- Experimental methods for evaluation of quality variation and methods for checking the precision of sampling
OS GSO ISO 8542:2017 Files
English
9 Pages
Current Edition
Reference Language
27.72 OMR
OS GSO ISO 8542:2017 Scope
This International Standard 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 two-stage method.
NOTE — The evaluation of quality variation for the sampling procedure by the time-basis systematic method shall be derived on the basis of the mass-basis systematic method.
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