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.
SDO:
ISO
Language:
English
ICS Codes:
73.060.20
Status:
Published
Publish date:
1981-11-30
Standard Number:
ISO 619:1981