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Items for "Crown Compound"

Contribution to the Thermodynamics of Complexes of Alkali Metal Cations with Benzo-18-Crown-6 in the Water–Nitrobenzene Extraction System

From extraction experiments and γ-activity measurements, the exchange extraction constants corresponding to the general equilibrium M+(aq) + NaL+(nb) ⇔ ML+(nb) + Na+(aq) taking place in the two–phase water–nitrobenzene system (M+ = Li+, K+, Rb+, Cs+; L = benzo-18-crown-6; aq = aqueous phase, nb = nitrobenzene phase) were evaluated...

Keywords: Thermodynamics, Alkali Metal Cations, Crown Compound, Extraction and Stability Constants, Water–Nitrobenzene System

09/2006 | Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag
Extraction Distribution of Microamounts of Strontium in the Two-Phase Water–RbCl–15-Crown–5-Nitrobenzene–Rubidium Dicarbollylcobaltate 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...

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

07/2007 | Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag