ISO 5517:1978
Fruits, vegetables and derived products — Determination of iron content — 1,10- Phenanthroline photometric method
Fruits, vegetables and derived products — Determination of iron content — 1,10- Phenanthroline photometric method
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Fruits, vegetables and derived products — Determination of iron content — 1,10- Phenanthroline photometric method
The method consists in decomposing the organic matter, followed by reduction of trivalent iron by hydroxyammonium chloride, forming, in a buffered medium, of the stable iron(II)/1,10 phenanthroline complex, and photometric measuring of the red-coloured complex at a wavelength of 508 nm.
| Edition | 1978 |
|---|---|
| Published Date | 1978 |
| Published By | International Standardization Organisation |
| Page Count | 3 |