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ISO 12744:2025

Copper, lead, zinc and nickel concentrates — Experimental methods for checking the precision of sampling

Mar 10, 2025

General information

60.60     Mar 10, 2025

ISO

ISO/TC 183

International Standard

73.060.99  

English  

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Scope

This document specifies methods for checking the precision of primary sampling, sample processing, chemical analysis, physical testing and determination of moisture content of copper, lead, zinc and nickel concentrates being carried out in accordance with the methods specified in ISO 12743, expressed in terms of standard deviations.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 12744:2006

NOW

PUBLISHED
ISO 12744:2025
60.60 Standard published
Mar 10, 2025