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Cation exchange studies of vanadium(V) on Dowex 50W-X8. Separation from mixtures

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Summary

The cation exchange behaviour of milligram amounts of vanadium on Dowex 50W-X8 has been studied using different eluants. Quantitative elution can be achieved by 200 ml of 0.5N hydrochloric acid, 1–2N sulphuric acid, 2–3N phosphoric acid or 0.5–1N ammonium chloride solution. The relative efficiency of eluants is discussed in terms of their elution constants and bed distribution coefficients. Vanadium has been separated from copper(II), iron(III), cobalt(II), nickel, zinc, zirconium (IV), aluminium, cerium(IV), uranium(VI), thorium(IV), manganese(II), titanium(IV), and from phosphate.

Zusammenfassung

Das Verhalten von Milligramm-Mengen Vanadium am Kationenaustauscher Dowex 50W-X8 wurde mit verschiedenen Eluierungsmitteln untersucht. Mit 200ml 0,5 n Salzsäure, 1–2 n Schwefelsäure, 2–3 n Phosphorsäure oder 0,5–1 n Ammoniumchloridlösung konnte das Vanadium quantitativ eluiert werden. Die Wirksamkeit dieser Eluierungslösungen wurde an Hand der Elutionskonstanten und der Verteilungskoeffizienten erörtert. Von folgenden Ionen konnte das Vanadium getrennt werden: Kupfer(II), Eisen(III), Kobalt(II), Nickel, Zink, Zirkonium(IV), Aluminium, Cer(IV), Uran(VI), Thorium(IV), Mangan(II), Titan(IV) und Phosphat.

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De, A.K., Majumdar, S.K. Cation exchange studies of vanadium(V) on Dowex 50W-X8. Separation from mixtures. Z. Anal. Chem. 191, 40–45 (1962). https://doi.org/10.1007/BF00467367

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  • DOI: https://doi.org/10.1007/BF00467367

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