Reference number
ISO 619:1981
© ISO 2024
International Standard
ISO 619:1981
Manganese ores — Determination of chromium content — Diphenylcarbazide photometric method and silver persulphate titrimetric method
Edition 2
1981-12
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Published (Edition 2, 1981)
This publication was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 619:1981

Language
Format
CHF 42
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Abstract

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.

General information

  • Status
     : Published
    Publication date
     : 1981-12
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 2
    Number of pages
     : 4
  • Technical Committee :
    ISO/TC 132
    ICS :
    73.060.20 
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