ISO 312:1986 Preview
Manganese ores -- Determination of active oxygen content, expressed as manganese dioxide -- Titrimetric method
This standard was last reviewed and confirmed in 2016. Therefore this version remains current.
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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