Metallextraktion mit N-thiobenzoyl-N-phenylhydroxylamin: Extraction of metal ions with N-thiobenzoyl-N-phenylhydroxylamine |
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Authors: | E Uhlemann B Maack M Raab |
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Institution: | Pädagogische Hochschule “Karl Liebknecht” Potsdam, Potsdam-SanssouciD.D.R. |
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Abstract: | The extraction parameters pH and Kex for Mn, Fe, Co, Ni, Cu, Zn, Cd, and Pb with N-thiobenzoyl-N-phenylhydroxylamine are reported. N-Thiobenzoyl-N-phenylhydroxylamine extracts metals from more strongly acidic solutions than does N-benzoyl-N-phenylhydroxylamine. Iron(III) is extracted as a 1:2 chelate with the extracant, whereas iron(II) forms the expected tris chelate by oxidation. The other bivalent ions are extracted as their bis chelates. |
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