Reference number
ISO 621:1981
© ISO 2024
ISO 621:1981
Manganese ores — Determination of metallic iron content (metallic iron content not exceeding 2 %) — Sulphosalicylic acid photometric method
Edition 2
1981-11
Withdrawn
Withdrawn (Edition 2, 1981)

Abstract

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

General information

  • Status
     : Withdrawn
    Publication date
     : 1981-11
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 2
    Number of pages
     : 2
  • Technical Committee :
    ISO/TMBG
    ICS :
    73.060.20 
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