International Organization for Standardization (ISO)
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ISO 11459:1997
Scope
This International Standard specifies requirements for certified reference material (CRM) iron ores for chemical analysis in terms of
chemical and physical characteristics;
methods of preparation;
methods of characterization and certification.
ISO 11459:1997 history
1997ISO 11459:1997 Iron ores - Certified reference materials - Preparation and certification for use in chemical analysis