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immediate downloadReleased: 1981
ISO 619:1981
ISO 619:1981-Manganese ores — Determination of chromium content — Diphenylcarbazide photometric method and silver persulphate titrimetric method
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| 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.