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ISO 621:1981

Manganese ores -- Determination of metallic iron content (metallic iron content not exceeding 2 %) -- Sulphosalicylic acid photometric method

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This second edition cancels and replaces the first edition (i.e. ISO 621-1975). Specifies principle, reagents, apparatus, sample, procedure and expression of results.


  • Edition: 2 (Monolingual) ICS: 73.060.20
    Status: Published Stage: 95.20 (2011-02-01)
    TC/SC: ISO/TMBG Number of Pages: 2
  • No revision information available

  • No corrigenda or amendments available

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