caa a22 4500 465732755 CHVBK 20180323111746.0 cr unu---uuuuu 170327e19901201xx s 000 0 eng 10.1007/BF02039597 doi (NATIONALLICENCE)springer-10.1007/BF02039597 Potentiometric studies on aqueous fluoride complexes of actinides: Stability constants of Th(IV)-, U(IV)-, Np(IV)- and Pu(IV)-fluorides [Elektronische Daten] [R. Sawant, N. Chaudhuri, S. Patil] Complex formation of Th(IV), U(IV), Np(IV), and Pu(IV) with fluoride ions in aqueous perchloric acid solution of 1M ionic strength has been studied potentiometrically, using a fluoride ion selective electrode. A highly acidic medium was essential to prevent hydrolysis and disproportionation of the tetravalent actinide ions. A procedure developed earlier in this laboratory for studying the fluoride complexes of hexavalent actinides was successfully extended to this work. The β1 values follow the trend Th(IV)<U(IV)>Np(IV)>Pu(IV), and β2 values the trend Th(IV)<U(IV)>Np(IV)<Pu(IV), while β3 and β4 values followed an increasing order. Akadémiai Kiadó, 1990 Sawant R. Fuel Chemistry Division, Bhabha Atomic Research Centre, Trombay, 400085, Bombay, India aut Chaudhuri N. Fuel Chemistry Division, Bhabha Atomic Research Centre, Trombay, 400085, Bombay, India aut Patil S. Fuel Chemistry Division, Bhabha Atomic Research Centre, Trombay, 400085, Bombay, India aut Journal of Radioanalytical and Nuclear Chemistry Kluwer Academic Publishers 143/2(1990-12-01), 295-306 0236-5731 143:2<295 1990 143 10967 https://doi.org/10.1007/BF02039597 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF02039597 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Sawant R. Fuel Chemistry Division, Bhabha Atomic Research Centre, Trombay, 400085, Bombay, India aut NATIONALLICENCE 700 1- Chaudhuri N. Fuel Chemistry Division, Bhabha Atomic Research Centre, Trombay, 400085, Bombay, India aut NATIONALLICENCE 700 1- Patil S. Fuel Chemistry Division, Bhabha Atomic Research Centre, Trombay, 400085, Bombay, India aut NATIONALLICENCE 773 0- Journal of Radioanalytical and Nuclear Chemistry Kluwer Academic Publishers 143/2(1990-12-01), 295-306 0236-5731 143:2<295 1990 143 10967 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer