Withdrawn
ISO 12744:2006 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.
WITHDRAWN
ISO 12744:1997
WITHDRAWN
ISO 12744:2006
95.99
Withdrawal of Standard
Mar 10, 2025
PUBLISHED
ISO 12744:2025
Copper, lead, zinc and nickel concentrates — Experimental methods for checking the precision of sampling
60.60 Standard published