ISO 5517:1978
Fruits, vegetables and derived products; Determination of iron content; 1,10- Phenanthroline photometric method

Standard No.

ISO 5517:1978

Release Date

1978

Published By

International Organization for Standardization (ISO)

Latest

ISO 5517:1978

Scope

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.

ISO 5517:1978 history

• 1978 ISO 5517:1978 Fruits, vegetables and derived products; Determination of iron content; 1,10- Phenanthroline photometric method