BS 5050:1974
Current
The latest, up-to-date edition.
Methods of test for cryolite
Hardcopy , PDF
English
30-08-1974
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Foreword
Methods
1 Scope
2 Preparation and storage of test samples
3 Determination of silica content
4 Determination of fluorine content
5 Determination of iron content
6 Determination of sodium content
7 Determination of aluminium content (gravimetric
method)
8 Determination of aluminium content (atomic absorption
method)
Figure
1 Typical form of steam distillation apparatus for use
in determination of fluorine content
Preparation and storage of test samples, determination of silica, fluorine, iron and sodium contents and of aluminium content by gravimetric and atomic absorption methods.
| Committee |
W/-
|
| DevelopmentNote |
Supersedes 70/12741 DC. (07/2005) Reviewed and confirmed by BSI, December 2011. (11/2011)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This British Standard describes methods of test for natural and artificial cryolite having a NaF : AlF3 ratio of between 3 and 1.7.
NOTE The titles of the British Standards and ISO publications referred to in this standard are listed on the inside back cover.
| Standards | Relationship |
| ISO 1693:1976 | Similar to |
| ISO 2367:1972 | Similar to |
| ISO 2366:1974 | Similar to |
| ISO 2830:1973 | Similar to |
| ISO 3391:1976 | Similar to |
| ISO 3392:1976 | Similar to |
| ISO 1619:1976 | Similar to |
| ISO 1694:1976 | Similar to |
| ISO 1620:1976 | Similar to |
| BS 4140-17:1986 | Methods of test for aluminium oxide Determination of fluorine content |
| BS 4993-9:1980 | Methods of test for aluminium fluoride for industrial use Determination of sulphur content (X-ray fluorescence spectrometric method) |
| BS 5050-11(1980) : 1980 | METHODS OF TEST FOR CRYOLITE - DETERMINATION OF SULPHATE CONTENT |
| BS 4993-8:1980 | Methods of test for aluminium fluoride for industrial use Determination of sulphate content |
| BS 5050-13(1983) : 1983 | METHODS OF TEST FOR CRYOLITE - DETERMINATION OF PHOSPHORUS CONTENT |
| BS 5050-8:1980 | Methods of test for cryolite Determination of calcium content |
| BS 5050-12(1980) : 1980 | METHODS OF TEST FOR CRYOLITE - DETERMINATION OF SULFUR CONTENT (X-RAY FLUORESCENCE SPECTROMETRIC METHOD) |
| BS 4993-10:1983 | Methods of test for aluminium fluoride for industrial use Determination of phosphorus content |
| BS 6337-2:1983 | General methods of chemical analysis Method for determination of silicon content (reduced molybdosilicate spectrophotometric method) |
| BS 1752:1983 | Specification for laboratory sintered or fritted filters including porosity grading |
| BS 3787(1964) : LATEST | GLASS CONDENSERS WITH STANDARD JOINTS |
| BS 3145:1978 | Specification for laboratory pH meters |
| BS 4123:1967 | Schedule of preferred chemical indicators |
| BS 846:1985 | Specification for burettes |
| BS 2586:1979 | Specification for glass and reference electrodes for the measurement of pH |
| BS 3422(1961) : LATEST | LABORATORY DEFLECTION pH METERS |
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