ISO 6636-3:1983

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

Publication date: Dec 1, 1983

General information

Current stage: 90.93 Effective date: Aug 26, 2024

Originator: ISO

Owner: ISO/TC 34/SC 3

Type: International Standard

ICS: 67.080.01

Languages: French English

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Status: Published

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 6636-3:1983
90.93 Standard confirmed
Aug 26, 2024

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