ISO 6636-3:1983

Fruit and vegetable products — Determination of zinc content — Part 3: Dithizone spectrometric method

The method consists in decomposing of organic matter, neutralizing of the solution obtained, adding of 1,5-diphenylthiocabazone solution, extracting of the zinc complex thus furmed with chloroform and measuring of the absorbance of the extract at a wavelength of 538 nm.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

67.080.01

Statut:

Publié

Date de Publication:

1983-11-30

Numéro Standard:

ISO 6636-3:1983