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Status : Active
Standard Type : Main
Document No : ISO 8542:1986
Document Year : 1986
Pages : 9
Edition : 1
Section Volume : Ferroalloys (ISO/TC 132.)
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 StandardDetails. It also specifies methods for checking the precision of sampling by the mass-basis systematic method and the two-stage method.