Objavljen
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.
OBJAVLJEN
ISO 5517:1978
90.93
Odluka o potvrđivanju standarda
13. 1. 2022.
NAPUŠTEN
ISO/CD 5517
Voće, povrće i proizvodi koji potiču od voća i povrća - Određivanje sadržaja gvožđa - Fotometrijska metoda sa 1,10-fenantrolinom
90.93 Odluka o potvrđivanju standarda