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ISO 2460:1973 (R2025)
Sodium hydrogen carbonate for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method
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Summary
The method is applicable to products having a content equal to or greater than 0,1 mg/kg. The principle concists in reduction of the iron(III) by hydroxylammoniumchloride. Formation of a iron(II)-1,10-phennanthroline complex in a buffered solution. Photometric measurement of the coloured complex at a wavelength of about 510 nm.
Notes
90.60 : Clôture de l'examen
Technical characteristics
| Publisher | International Organization for Standardization (ISO) |
| Publication Date | 04/01/1973 |
| Confirmation Date | 02/14/2025 |
| Edition | 1 |
| Page Count | 2 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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01/04/1973
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