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     : Withdrawn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
  • Edition
     : 2
    Number of pages
     : 2
  • Technical Committee
     : ISO/TMBG Technical Management Board - groups
  • ICS
     :
    73.060.20 Manganese ores

Life cycle

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  8. ISO 621:1981