Homepage>ISO Standards>ISO 619:1981-Manganese ores — Determination of chromium content — Diphenylcarbazide photometric method and silver persulphate titrimetric method
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download between 0-24 hoursReleased: 1981
ISO 619:1981
ISO 619:1981-Manganese ores — Determination of chromium content — Diphenylcarbazide photometric method and silver persulphate titrimetric method
CURRENCY
Standard´s number:
ISO 619:1981
Pages:
4
Edition:
2
Released:
1981
DESCRIPTION
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.
