Dioxouranium-carboxylate complexes. Formation and stability of acetate species at different ionic strengths in NaCl(aq).
The formation and stability of UO2(2+)-acetate complexes was studied potentiometrically, at T = 25 degrees C, at different ionic strength, 0 < I < or = 1 mol dm(-3), in aqueous NaCl solutions. Computer analysis allowed us to find the species UO2(ac)+, UO2(ac)2(0), UO2(ac)3- and UO2(ac)3(OH)2-. The dependence on ionic strength of formation constants was taken into account by using both a simple Debye-Hückel type equation and the SIT (Specific ion Interaction Theory) approach. A critical examination of the present results is given together with a comprehensive analysis of literature data.
Crea
Francesco
F
Dipartimento di Chimica Inorganica, Chimica Analitica e Chimica-Fisica dell'Università di Messina, Salita Sperone 31, 98166, Villaggio S. Agata (Messina), Italy.
De Robertis
Alessandro
A
Sammartano
Silvio
S
D000085:Acetates / Q000737:chemistry*; D002244:Carbon / Q000737:chemistry; D012965:Sodium Chloride / Q000737:chemistry; D017974:Uranium Compounds / Q000032:analysis / Q000737:chemistry*; D014875:Water Pollutants, Radioactive / Q000032:analysis
D000085:Acetates; D017974:Uranium Compounds; D014875:Water Pollutants, Radioactive; D012965:Sodium Chloride; D002244:Carbon