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BS 6200-3.33.3:1985

BS 6200-3.33.3:1985

Current

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

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

02-28-1985

Publisher

British Standards Institution

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.

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).

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

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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Hardcopy - English
PDF - English
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