95.99 Withdrawal of Standard Mar 10, 2025
ISO
ISO/TC 183 Copper, lead, zinc and nickel ores and concentrates
International Standard
73.060.99 Other metalliferous minerals
Withdrawn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WITHDRAWN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WITHDRAWN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