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Die Verteilungskoeffizienten von Dysprosium-, Erbium- und Yttriumnitrat zwischen Tri-n-butylphosphat und 9–12M-Salpetersäure

The distribution coefficients for the nitrates of dysprosium, erbium, and yttrium between tri-n-butyl phosphate and 9-, 10-, 11-, and 12M-nitric acid

  • Anorganische, Struktur- und Physikalische Chemie
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Monatshefte für Chemie / Chemical Monthly Aims and scope Submit manuscript

Abstract

The distribution coefficients for the nitrates of Dy, Er and Y betweenTBP and 9, 10, 11, and 12M-HNO3 were determined for a wide range of concentrations (20°C). The distribution coefficients of yttrium nitrate were within the experimental error equal to those of erbium nitrate. The separation factors Y/Dy and Er/Dy, resp., showed a flat maximum at 10M-HNO3. By adding NH4NO3 (1M) to 10M-HNO3 the distribution coefficients were lowered in the same proportion, as to leave the separation factors unchanged.

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Authors and Affiliations

  1. Institut für Anorganische Chemie, Universität Wien, Währinger Straße 42, A-1090, Wien, Österreich

    Kurt Rossmanith

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  1. Kurt Rossmanith
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Mit 5 Abbildungen

Craig-Verteilung von Seltenerdelementen im System Tri-n-butyl-phosphat-Salpetersäure, 6. Mitt.

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Rossmanith, K. Die Verteilungskoeffizienten von Dysprosium-, Erbium- und Yttriumnitrat zwischen Tri-n-butylphosphat und 9–12M-Salpetersäure. Monatshefte für Chemie 108, 681–688 (1977). https://doi.org/10.1007/BF00912813

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  • DOI: https://doi.org/10.1007/BF00912813

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