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Thin-layer chromatography of inorganic ions. IV. Chromatography in the system formed from silica gel (impregnated with cation exchanger) and aqueous solutions of hydrochloric acid, nitric acid, and potassium thiocyanate

A. Muchová and V. Jokl

Institut für analytische Chemie der Pharmazeutischen Fakultät an der Komenský-Universität, Bratislava 1

 

Abstract:  Twenty four metal ions have been chromatographed on silica gel layers impregnated with the liquid cation exchanger di-(2-ethylhexyl)phosphoric acid. As eluents aqueous solutions of HCl, HNO3, and KSCN have been used in different concentrations. Plots of RF and RM values (latter for HCl and HNO3 systems) vs. logarithm of eluent concentration are presented in the figures. Chromatographic behaviour of the studied ions is discussed with respect to the ion exchange and complex-forming equilibrium.

Full paper in Portable Document Format: 264a303.pdf (in German)

 

Chemical Papers 26 (4) 303–308 (1972)

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