ISO 7693:1984
ISO 7693:1984 Ferrotungsten – Determination of tungsten content – Cinchonine gravimetric method
CDN $86.00
Description
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.
Edition
1
Published Date
1984-03-01
Status
PUBLISHED
Pages
4
Language
English
Format
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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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