Active standard | Published: 01/12/1983

ISO 6636-3:1983

Fruit and vegetable products — Determination of zinc content — Part 3: Dithizone spectrometric method
(Produits dérivés des fruits et légumes — Détermination de la teneur en zinc — Partie 3: Méthode spectrométrique a la dithizone)

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Detail information

Designation: ISO 6636-3:1983

Publication date: 01/12/1983

Pages: 3

Country: International technical standard

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Anotation

Description / Abstract: 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.

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