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ISO 4293:1982

Manganese ores and concentrates -- Determination of phosphorus content -- Extraction-molybdovanadate photometric method

This standard has been reviewed and then confirmed in 2008 
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The method is applicable to products having phosphorus contents from 0,02 to 0,5 % (m/m). ISO 4293 should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sample, procedure and expression of results.


  • Edition: 1 (Monolingual) ICS: 73.060.20
    Status: Published Stage: 90.60 (2013-09-18)
    TC/SC: ISO/TMBG Number of Pages: 3
  • Revises: ISO/R 321:1963

  • No corrigenda or amendments available

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