Application of a new spectrophotometric
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Morales, M. T. ;Montaña, M. T. ;Galán, G. ;Ariza, J. L. Gómez
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Article
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1988
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John Wiley and Sons
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English
⚖ 240 KB
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A new spectrophotometric method has been applied to the determination of zinc in bottled mineral water (with and without gas), refreshments, vinegar, and table salt. The method introduces the I-[di-(2-pyridyl)methylidene]-5-(salicylidene)-thiocarbohydrazone (DPST) as chromogenic reagent. This proced