Complexation of ampicillin with Zn and Cd cations in potassium nitrate solutions

Complexation of ampicillin with Zn and Cd cations in potassium nitrate solutions Constants of formation of monoligand Zn(II) and Cd(II) complexes with ampicillin anion at 20°C with KNO3 background electrolyte (0.1, 0.4, 0.7, and 1.0 mol/l) were determined by potentiometric titration. Concentration constants were extrapolated to zero ionic strength according to the Hückel equation and thermodynamic formation constants logβ° (CdAmp+) and logβ° (ZnAmp+) (3.43 and 3.80, respectively) were obtained. The possible structures of complexes were discussed. Russian Journal of Coordination Chemistry Springer Journals

Complexation of ampicillin with Zn and Cd cations in potassium nitrate solutions

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Copyright © 2006 by Pleiades Publishing, Inc.
Chemistry; Inorganic Chemistry; Physical Chemistry
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