ISO 7693:1984

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.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

77.100

Statut:

Publié

Date de Publication:

1984-02-29

Numéro Standard:

ISO 7693:1984