ISO 619:1981
Manganese ores; Determination of chromium content; Diphenylcarbazide photometric method and silver persulphate titrimetric method

Standard No.

ISO 619:1981

Release Date

1981

Published By

International Organization for Standardization (ISO)

Latest

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.

ISO 619:1981 history

• 1981 ISO 619:1981 Manganese ores; Determination of chromium content; Diphenylcarbazide photometric method and silver persulphate titrimetric method
• 1975 ISO 619:1975 Title missing - Legacy paper document