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.

SDO:

ISO

Language:

English

ICS Codes:

67.080.01

Status:

Published

Publish date:

1983-11-30

Standard Number:

ISO 6636-3:1983