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.
SDO:
ISO
Language:
English
ICS Codes:
71.060.50
Status:
Published
Publish date:
1973-03-31
Standard Number:
ISO 2460:1973