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.

SDO:

ISO

Language:

English

ICS Codes:

67.080.01

Status:

Published

Publish date:

1978-04-30

Standard Number:

ISO 5517:1978