ISO-619 › Manganese ores -- Determination of chromium content -- Diphenylcarbazide photometric method and silver persulphate titrimetric method

ISO-619 - 2ND EDITION - CURRENT


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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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73.060.20 (Manganese ores)

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Document Number

ISO 619:1981

Revision Level

2ND EDITION

Status

Current

Publication Date

Dec. 15, 1981

Committee Number

ISO TC 65