ISO 9035:1989 Preview
Iron ores -- Determination of acid-soluble iron(II) content -- Titrimetric method
This standard was last reviewed and confirmed in 2017. Therefore this version remains current.
Is applicable to natural and processed iron ores containing from 1 % to 25 % acid-soluble iron(II) and only traces of metallic iron. Is limited for use in conjunction with the reducibility test methods. Is not applicable to ores containing more than 0,3 % (m/m) sulfur (as sulfide) and/or 5 % free carbon. Specifies principle, reagents, apparatus, sampling and samples, procedure, expression of results and test report. Includes three annexes.
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