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ISO 4694:1987

Current Date published:

Iron ores — Determination of fluorine content — Ion-selective electrode method

The method ist applicable to a concentration range of 0,005 to 1,0 % (m/m) of fluorine in natural iron ores, and iron ore concentrates and agglomerates including sinter products. Specifies principle, reagents, apparatus, sampling and samples, procedure, expression of results, and test report. ISO 4693 includes three annexes.

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ISO 4694:1987

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