ISO 2830:1973
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Cryolite, natural and artificial — Determination of aluminium content — Atomic absorption method
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Hardcopy , PDF
Language(s)
English, French
Published date
01-12-1973
€42.00
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Applicable to products having a normal composition for which the molar ratio NaF/AlF3 is equal to about 3. Dissolution of a test portion in concentrated suphuric acid and elimination of hydrogen fluoride. Treatment with hydrochloric acid and water. Atomization of the solution into an acetylene measurement of the absorption of the 309.3 nm line emitted by an aluminium hollow cathode lamp. Has also been approved by the IUPAC.
| Committee |
ISO/TC 226
|
| DocumentType |
Standard
|
| Pages |
3
|
| ProductNote |
This standard are also referes to ISO/R 1619
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| BS 5050:1974 | Similar to |
| NBN T 03 440 : 1983 | Identical |
| ISO/TR 4277:2009 | Cryolite, natural and artificial — Conventional test for evaluation of free fluorides content |
| PD ISO/TR 4277:2009 | Cryolite, natural and artificial. Conventional test for evaluation of free fluorides content |
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