BS 5072-6:1980
Current
The latest, up-to-date edition.
Methods of test for sodium fluoride for industrial use Determination of silica content
Hardcopy , PDF
English
30-04-1980
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National foreword
Cooperating organizations
Methods
1 Scope and field of application
2 Reference
3 Principle
4 Reagents
5 Apparatus
6 Procedure
7 Expression of results
8 Test report
Annex
Describes a spectrophotometric method, using reduced molybdosilicate, for determining the silica content of sodium fluoride used for production of aluminium.
| Committee |
W/-
|
| DevelopmentNote |
Also numbered as ISO 3430. Supersedes 74/54500 DC. (07/2005) Reviewed and confirmed by BSI, March 2015. (03/2015)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This International Standard specifies a spectrophotometric method, using the reduced molybdosilicate, for determining the silica content of sodium fluoride primarily used for the production of aluminium.
The method is applicable to products of which the P2O5 content does not exceed 0,02 % (m/m).
| BS 5072-5:1980 | Methods of test for sodium fluoride for industrial use Determination of iron content |
| BS 5072-7:1980 | Methods of test for sodium fluoride for industrial use Determination of soluble sulphates content |
| BS 5072-9:1980 | Methods of test for sodium fluoride for industrial use Determination of carbonate content |
| BS 5072-4:1980 | Methods of test for sodium fluoride for industrial use Preparation and storage of test samples |
| BS 6337-2:1983 | General methods of chemical analysis Method for determination of silicon content (reduced molybdosilicate spectrophotometric method) |
| BS 5072-8:1980 | Methods of test for sodium fluoride for industrial use Determination of chlorides content |
| BS 5072-1:1974 | Methods of test for sodium fluoride for industrial use Determination of water-insoluble matter |
| BS 5072-5:1980 | Methods of test for sodium fluoride for industrial use Determination of iron content |
| BS 5072-3:1975 | Methods of test for sodium fluoride for industrial use Determination of fluorine content |
| BS 5072-4:1980 | Methods of test for sodium fluoride for industrial use Preparation and storage of test samples |
| BS 5072-8:1980 | Methods of test for sodium fluoride for industrial use Determination of chlorides content |
| BS 5072-2:1974 | Methods of test for sodium fluoride for industrial use Determination of moisture content |
| BS 5072-7:1980 | Methods of test for sodium fluoride for industrial use Determination of soluble sulphates content |
| BS 5072-9:1980 | Methods of test for sodium fluoride for industrial use Determination of carbonate content |
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