ISO 3566:1976
Current
The latest, up-to-date edition.
Sodium fluoride primarily used for the production of aluminium — Determination of chlorides content — Turbidimetric method
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English, French
01-04-1976
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Applicable to products having a chlorides content, expressed as chlorine, of equal to or more than 0.005 % (m/m). The principle consists in precipitation, in the presence of boric acid, of chloride ions with silver nitrate. Comparison of the opalescence of the test solution with that of standard matching solutions using Nessler tubes against a black background. Turbidimetric evaluation of the mass of precipitate.
| Committee |
ISO/TC 226
|
| DevelopmentNote |
Also numbered as BS 5072-8(1980). (07/2005)
|
| DocumentType |
Standard
|
| Pages |
2
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| NBN T 03 468 : 1983 | Identical |
| NFT 20 151 : 84 FD | 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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