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ISO 7693:1984
Ferrotungsten — Determination of tungsten content — Cinchonine gravimetric method
Automatically translated name:
Ferrotungsten -- Determination of tungsten content -- Cinchonine gravimetric method
STANDARD published on 1.3.1984
The information about the standard:
Designation standards: ISO 7693:1984
Publication date standards: 1.3.1984
SKU: NS-435119
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 7693:1984 :
Description / Abstract: 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.
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