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E. Makrlík, P. Vanura, P. Selucky

Extraction Distribution of Microamounts of Strontium in the Two-Phase Water–RbCl–15-Crown–5-Nitrobenzene–Rubidium Dicarbollylcobaltate System

Keywords: Strontium, Rubidium, Crown Compound, Extraction and Stability Constants, Water-Nitrobenzene System

Extraction of microamounts of strontium by a nitrobenzene solution of rubidium dicarbollylcobaltate (Rb⁺B^-) in the presence of 15-crown-5 (15C5,L) has been investigated. The equilibrium data have been explained assuming that the complexes RbL⁺, RbL₂⁺ and SrL₂²⁺ are extracted into the organic phase. The values of extraction and stability constants of the complex species in nitrobenzene saturated with water have been determined.

Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag

Print ISSN: 0942-9352
Volume: 221, 07/2007
Pages: 949 - 955

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