ISO 6636-3:1983
Fruit and vegetable products — Determination of zinc content — Part 3: Dithizone spectrometric method
Fruit and vegetable products — Determination of zinc content — Part 3: Dithizone spectrometric method
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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.
| Edition | 1983 |
|---|---|
| Standard Part No | 3 |
| Published Date | 1983 |
| Published By | International Standardization Organisation |
| Page Count | 3 |