ISO 619:1981
International Standard
Current Edition
·
Approved on
01 December 1981
Manganese ores — Determination of chromium content — Diphenylcarbazide photometric method and silver persulphate titrimetric method
ISO 619:1981 Files
English
4 Pages
Current Edition
20.05 OMR
ISO 619:1981 Scope
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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