ISO 619:1981

Current Revision
Manganese ores -- Determination of chromium content -- Diphenylcarbazide photometric method and silver persulphate titrimetric method

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ISO 619:1981

Manganese ores -- Determination of chromium content -- Diphenylcarbazide photometric method and silver persulphate titrimetric method

PUBLISH DATE 1981
ISO 619:1981

Method I is applicable to manganese ores having chromium contents less than 0.1 % (m/m).

Method II is applicable to manganese ores having chromium contents greater than 0.1 % (m/m).

This second edition cancels and replaces the first edition (i.e. ISO 619-1975).

Should be read in conjunction with ISO 4297.

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