Polarography of metal-gallic complexes |
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Authors: | Gaber A Elinany Fikry M Ebeid Ahmed M Zahra Farouk I Ziedan |
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Institution: | Department of Chemistry, Faculty of Education, Ain Shams University, Heliopolis, Cairo (Egypt) |
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Abstract: | The polarographic behavior of metal ions in perchlorate media containing gallic acid is described. Tungsten(VI) forms a complex with gallic acid which yields a single wave in these media, useful in the polarographic determination of tungsten. Evidence for complexation of chromium(III), copper(II), iron(III), molybdenum(VI), uranium(VI), vanadium(V), tungsten(VI), praseodymium(III), samarium(III), neodymium(III) and gadolinium(III) is obtained and the behavior of these metal ions is summarized. |
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