Reference number
ISO 312:1980
ISO 312:1980
Manganese ores — Determination of active oxygen content, expressed as manganese dioxide — Volumetric method
Edition 2
1980-05
Withdrawn
ISO 312:1980
4251
Withdrawn (Edition 2, 1980)

General information

  •  : Withdrawn
     : 1980-05
    : Withdrawal of International Standard [95.99]
  •  : 2
     : 2
  • ISO/TC 65
    73.060.20 
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