ISO 5517:1978

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.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

67.080.01

Statut:

Publié

Date de Publication:

1978-04-30

Numéro Standard:

ISO 5517:1978