Abstract
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.
General information
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Status: PublishedPublication date: 2006-04Stage: International Standard to be revised [90.92]
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Edition: 2Number of pages: 15
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Technical Committee :ISO/TC 183ICS :73.060.99
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Life cycle
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Previously
WithdrawnISO 12744:1997
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Now
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Will be replaced by
Under developmentISO/DIS 12744