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ISO 5517:1978
ISO 5517:1978 Fruits, vegetables and derived products -- Determination of iron content -- 1,10- Phenanthroline photometric method
standard by International Organization for Standardization, 05/01/1978
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M00050466
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Full Description
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.
