Norm

ISO 7693:1984 en

Ferrotungsten - Determination of tungsten content - Cinchonine gravimetric method

31,57

Over deze norm

Status Definitief
Aantal pagina's 4
Commissie Chemische analyse van ijzer en staal
Gepubliceerd op 01-03-1984
Taal Engels
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.

Details

ICS-code 77.100
Nederlandse titel Ferrotungsten - Determination of tungsten content - Cinchonine gravimetric method
Engelse titel Ferrotungsten - Determination of tungsten content - Cinchonine gravimetric method

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