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ISO 312:1986

Current Date published:

Manganese ores — Determination of active oxygen content, expressed as manganese dioxide — Titrimetric method

This third edition cancels and replaces the second edition (ISO 312-1980), of which it constitutes a minor revision. Specifies principle, reagents, apparatus, sample, procedure and expression of results. A figure gives an example of apparatus.

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  • ISO 317:1984

    Manganese ores and concentrates — Determination of arsenic content — Spectrometric method

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ISO 312:1986

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