ISO 2368:1972
Withdrawn
Aluminium fluoride for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method
Hardcopy , PDF
English, French
12-01-1972
05-10-2019
The method is applicable to products having a content greater than 0,020 %. The principle consists in dissolution of a test portion by either alkaline or acid fusion. Reduction of the iron(III) by hydroxylammonium chloride. Formation of the iro(II)-1, 10-phenanthroline complex in a buffered medium (pH value between 3,5 and 4,2) Photometric measurement of the coloured complex at a wavelength of about 510 nm.
| Committee |
ISO/TC 47
|
| DocumentType |
Standard
|
| Pages |
4
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| Standards | Relationship |
| BS 4993-2:1974 | Similar to |
| NBN T 03 438 : 1983 | Identical |
| NFT 20 161 : 84 FD | Identical |
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