ISO 5997:1984
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Chromium ores and concentrates -- Determination of silicon content -- Molecular absorption spectrometric method and gravimetric method

This standard was last reviewed and confirmed* in 2016.

*Therefore this version remains current


The molecular absorption spectrometric method (A) is applicable to products having silicon contents from 0,05 to 0,5 % (m/m), the gravimetric method (B) is applicable to products having silicon contents from 0,5 to 15 % (m/m). ISO 5997 should be read in conjunction with ISO 4297. Specifies among other things principle, reagents, apparatus, procedure, spectrometric measurement (method A only) and expression of results.


  • Document published on: 1984-11-01
    Edition: 1 (Monolingual) ICS: 73.060.30
    Status: Published Stage: 90.93 (2016-02-23)
    TC/SC: ISO/TC 132 Number of Pages: 5
  • This standard has not been revised

  • No corrigenda or amendments available

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