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ISO 8542:1986

Manganese and chromium ores — Experimental methods for evaluation of quality variation and methods for checking the precision of sampling

Nov 20, 1986

General information

90.93     Mar 25, 2022

ISO

ISO/TC 132

International Standard

73.060.20  

French   English  

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Published

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 8542:1986
90.93 Standard confirmed
Mar 25, 2022

REVISED BY

ABANDON
ISO/WD 8542

National adoptions

SSH ISO 8542:1986  
DPS

Manganese and chromium ores — Experimental methods for evaluation of quality variation and methods for checking the precision of sampling

60.60 Standard published

DPS/KT 133 more