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The Complexation of Palladium(II) by Chloroacetate

P. Lubal, T. Godula, and J. Havel

Department of Analytical Chemistry, Faculty of Science, Masaryk University, CZ-611 37 Brno

 

Abstract: The complexation of palladium(II) by chloroacetate was studied by spectrophotometry in 1.00 M-(Na, H)ClO4 at (25.0 +/- 0.2)°C. The experimental data were treated numerically by OPIUM program. The stability constant log βPdL = 3.309 +/- 0.011 and spectra of individual species were calculated. The calculated stability constant is in good agreement with the value predicted by LFER approach (3.48 +/- 0.13). The thermodynamic parameters of complexation reaction, ∆H = (-10.7 +/- 0.7) kJ mol-1 and ∆S = (-26.7 +/- 42.1) J K-1 mol-1, were also estimated by weighted linear least-squaxes procedure from the dependence of stability constant on temperature in the region 25-44°C.

Full paper in Portable Document Format: 553a157.pdf

 

Chemical Papers 55 (3) 157–161 (2001)

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