ISO 7693:1984 Preview

Ferrotungsten -- Determination of tungsten content -- Cinchonine gravimetric method

The method is applicable to ferrotungsten having tungsten contents between 70 and 90 % (m/m). Specifies principle, reagents, apparatus, sample, procedure, expression of results and test report. It also specifies, in the annex, a spectrometric method for the determination of molybdenum which interferes with the determination.


General information

  • Status :  Published
    Publication date : 1984-03
  • Edition : 1
    Number of pages : 4
  • :
    ISO/TC 132
    Ferroalloys
  • 77.100
    Ferroalloys

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