ISO 2460:1973

Sodium hydrogen carbonate for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method

The method is applicable to products having a content equal to or greater than 0,1 mg/kg. The principle concists in reduction of the iron(III) by hydroxylammoniumchloride. Formation of a iron(II)-1,10-phennanthroline complex in a buffered solution. Photometric measurement of the coloured complex at a wavelength of about 510 nm.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

71.060.50

Statut:

Publié

Date de Publication:

1973-03-31

Numéro Standard:

ISO 2460:1973