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View larger ISO 10213:1991 [ Withdrawn ]
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ISO 10213:1991 Aluminium ores -- Determination of total iron content -- Titanium trichloride reduction method
standard by International Organization for Standardization, 12/01/1991
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Specifies a titrimetric method, free from mercury pollution, using potassium dichromate as titrant after reduction of the trivalent iron by tin(II) chloride and titanium(III) chloride. Applies to ores containing between 2 % and 50 % of iron oxide.