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BSI BS ISO 7764:2006

Iron ores. Preparation of predried test samples for chemical analysis
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BSI BS ISO 7764:2006

Iron ores. Preparation of predried test samples for chemical analysis

PUBLISH DATE 2006
PAGES 10
BSI BS ISO 7764:2006

This International Standard specifies a method for the preparation of *predried test samples* of natural iron ores, and iron ore concentrates and agglomerates, including sinter products, which are to be used for the determination of analytical values of constituents on a dry basis.

The method is not applicable to the following types of ores:

  • processed ores containing metallic iron (direct-reduced iron);
  • natural or processed ores in which the mass fraction of sulfur is higher than 0,2 %;
  • natural or processed ores in which the content of combined water is higher than 2,5 % by mass.

NOTE 1 Alternatively, the loss on ignition may be determined as an estimate of the combined water content.

Where this method is not applicable, ISO 2596:1994, Iron ores — Determination of hygroscopic moisture in analytical samples — Gravimetric and Karl Fischer methods is used.

NOTE 2 A laboratory may elect to use ISO 2596 for all samples to determine the dry sample mass.

SDO BSI: British Standards Institution
Document Number ISO 7764
Publication Date May 31, 2006
Language en - English
Page Count
Revision Level
Supercedes
Committee W/-
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