Résumé
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.
Informations générales
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État actuel: PubliéeDate de publication: 1986-11Stade: Norme internationale confirmée [90.93]
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Edition: 1Nombre de pages: 9
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Comité technique :ISO/TC 132ICS :73.060.20
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