ISO 6636-3:1983
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Fruit and vegetable products — Determination of zinc content — Part 3: Dithizone spectrometric method
| Published By | Publication Date | Number of Pages |
| ISO | 1983-12 | 8 |
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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