Reference number
ISO 5997:1984
© ISO 2026
International Standard
ISO 5997:1984
Chromium ores and concentrates — Determination of silicon content — Molecular absorption spectrometric method and gravimetric method
Edition 1
1984-11
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Published (Edition 1, 1984)
This publication was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 5997:1984

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Format
CHF 44
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Abstract

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.

General information

  • Status
     : Published
    Publication date
     : 1984-11
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 5
  • Technical Committee :
    ISO/TC 132
    ICS :
    73.060.30 
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