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ISO 619:1981

Manganese ores — Determination of chromium content — Diphenylcarbazide photometric method and silver persulphate titrimetric method

Dec 1, 1981

General information

90.93     Mar 25, 2022

ISO

ISO/TC 132

International Standard

73.060.20  

French   English  

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Published

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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.

Life cycle

NOW

PUBLISHED
ISO 619:1981
90.93 Standard confirmed
Mar 25, 2022

REVISED BY

ABANDON
ISO/CD 619

National adoptions

SSH ISO 619:1981  
DPS

Manganese ores — Determination of chromium content — Diphenylcarbazide photometric method and silver persulphate titrimetric method

60.60 Standard published

DPS/KT 133 more