ISO 12744:2025
ISO 12744:2025 Copper, lead, zinc and nickel concentrates - Experimental methods for checking the precision of sampling
standard byInternational Organization for Standardization , 03/01/2025
standard byInternational Organization for Standardization , 03/01/2025
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 ISO12743, expressed in terms of standard deviations.