ISO 5517:1978
ISO 5517:1978 Fruits, vegetables and derived products – Determination of iron content – 1,10- Phenanthroline photometric method
CDN $76.00
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.
Edition
1
Published Date
1978-05-01
Status
PUBLISHED
Pages
3
Language
English
Format
Secure PDF
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Abstract
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.
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