1979
DOI: 10.1002/bbpc.19790831112
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Zur Kinetik der Komplexbildung an flüssig/flüssig‐Phasengrenzen

Abstract: Mir kinetischer Zielsetzung wurde der in einer sog. Rührzelle unter Komplexbildung ablaufende Stoffübergang von Zink‐, Cadmiumund Kobaltionen aus wäßriger Lösung in angrenzende dithizonbeladene apolare Phasen (Tetrachlorkohlenstoff, Chloroform und Chlorbenzol) gemessen. Systematisch variiert wurden die Konzentration der Reaktionsteilnehmer sowie die über die Rührerdrehzahl veränderbare Strömung. Aus der quantitativen Übereinstimmung der Meßresultate mit einem Modell, in dem die Phasengrenze als Ort der Komplex… Show more

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Cited by 12 publications
(3 citation statements)
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“…Pseudo-mole-fraction-based equilibrium constant and complex factor were estimated with the knowledge of the equilibrium concentrations, which are based on the reaction mechanism and location. This pseudo-mole-fraction-based equilibrium constant is similar to the determination of the equilibrium constants of interfacial reactions that are well-known from the literature. A parameter fit, minimizing the sum of all deviations between the fitted reaction equilibrium constant and the experimental data for the reaction equilibrium constant and the complex factor for all experiments showed constant reaction equilibrium constant of 4.26 with a complex factor of 1 (Figure ). Therefore, the variation of the terpenyl amine weight fraction in the organic phase and the reproducibility experiments were conducted by an acetic acid concentration in the aqueous phase of 1 mol·L –1 .…”
Section: Resultssupporting
confidence: 62%
See 1 more Smart Citation
“…Pseudo-mole-fraction-based equilibrium constant and complex factor were estimated with the knowledge of the equilibrium concentrations, which are based on the reaction mechanism and location. This pseudo-mole-fraction-based equilibrium constant is similar to the determination of the equilibrium constants of interfacial reactions that are well-known from the literature. A parameter fit, minimizing the sum of all deviations between the fitted reaction equilibrium constant and the experimental data for the reaction equilibrium constant and the complex factor for all experiments showed constant reaction equilibrium constant of 4.26 with a complex factor of 1 (Figure ). Therefore, the variation of the terpenyl amine weight fraction in the organic phase and the reproducibility experiments were conducted by an acetic acid concentration in the aqueous phase of 1 mol·L –1 .…”
Section: Resultssupporting
confidence: 62%
“…In this work, three different reaction locations are possible: the organic phase, the aqueous phase, or the interphase. , If the reaction takes place in a bulk phase then the mole fractions of each reactant, which are available in this phase, are used in eq . In the case of a reaction at the interphase, the mole fractions of the reactants in different phases have to be used. This kind of reaction can occur only in two-phase systems. For this reason, it is important to know the reaction location.…”
Section: Methodsmentioning
confidence: 99%
“…Literature studies mostly used simple short‐cut models for specific separation tasks , and for the production of organic compounds based on reactive extraction there is no accurate non‐rigorous mathematical model or rigorous mathematical model for simulation. Only the description of reaction equilibrium for LLTP systems for metal and heavy metal purifications is available in literature , .…”
Section: Introductionmentioning
confidence: 99%