BS 6200-3.33.3:1985
Current
The latest, up-to-date edition.
Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Determination of tungsten Ferrotungsten: gravimetric method
Hardcopy , PDF
English
28-02-1985
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National foreword
Method
1 Scope and field of application
2 Reference
3 Principle
4 Reagents
5 Apparatus
6 Sample
7 Procedure
8 Expression of results
9 Test report
Annex
A Determination of molybdenum
Gives a cinchonine gravimetric method for determining tungsten content of ferrotungsten. Specifies a spectrometric method for determining molybdenum which interferes with the determination. Applicable to ferrotungsten having tungsten contents between 70 and 90%. Includes reference, principle, reagents, apparatus, sample, procedure, expression of results and test report.
| Committee |
ISE/1
|
| DevelopmentNote |
Also numbered as ISO 7693 Supersedes 82/74267 DC (09/2005)
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This International Standard specifies a cinchonine gravimetric method for the determination of the tungsten content of ferrotungsten. It also specifies, in the annex, a spectrometric method for the determination of molybdenum which interferes with the determination.
The method is applicable to ferrotungsten having tungsten contents between 70 and 90 % (m/m).
| BS 6200-2.1:1993 | Sampling and analysis of iron, steel and other ferrous metals. Sampling and sample preparation Methods for iron and steel |
| BS 6200-2.2:1993 | Sampling and analysis of iron, steel and other ferrous metals. Sampling and sample preparation Methods for ferroalloys and other alloying additives |
| ISO 3713:1987 | Ferroalloys — Sampling and preparation of samples — General rules |
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