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Original scientific paper

Application of 1-(4-Tolyl)-2-methyl-3-hydroxy-4-pyridone for the Extraction and Spectrophotometric Determination of Iron(III)

M . J. Herak ; Laboratory of Analytical Chemistry, Faculty of Science and Institute of Inorganic and Analytical Chemistry, University of Zagreb, 41000 Zagreb, Croatia, Yugoslavia
B. Tamhina ; Laboratory of Analytical Chemistry, Faculty of Science and Institute of Inorganic and Analytical Chemistry, University of Zagreb, 41000 Zagreb, Croatia, Yugoslavia


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Abstract

The application of 1-(4-tolyl)-2-methyl-3-hydroxy-4-pyridone
(HY) to the extraction and spectrophotometric determination of
iron (III) are described.
In the aqueous phase iron (III) and HY form two different
complexes; FeY2+ and FeY2+, depending on the iron-HY concentration
ratio and the pH of the solution. It was found that only
the FeY2+ complex is extracted into chloroform.

Keywords

Hrčak ID:

196820

URI

https://hrcak.srce.hr/196820

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