Spectrophotometric determination of iron by extraction of the iron(II)-5,5-dimethyl-1,2, 3-cyclohexanetrione-1,2-dioxime-3-thiosemicarbazone complex |
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| Authors: | Salinas F Diaz T G Sanchez J C |
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| Institution: | Department of Analytical Chemistry, Faculty of Sciences, University of Extremandura, 06071 Badajoz, Spain. |
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| Abstract: | The iron (II)-5,5-dimethyl-1,2,3-cyclohexanetrione-1,2-dioxime-3-thiosemicarbazone complex can be extracted from a medium of high acidity into amyl alcohol. Measurement of the absorbance at 550 nm gives a determination limit for iron of 0.015 mu/ml. The method has been applied to the determination of iron in water, wine, beer and fruit juice. |
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