caa a22 4500 469109416 CHVBK 20180323133106.0 cr unu---uuuuu 170328e19920501xx s 000 0 eng 10.1007/BF02164260 doi (NATIONALLICENCE)springer-10.1007/BF02164260 Solvent extraction of thorium (IV) with dialkyldithiophosphoric acids [Elektronische Daten] [M. Curtui, I. Haiduc, Iovanca Haiduc] Solvent extraction of thorium (IV) from aqueous solution with dialkyldithiophosphoric acids (RO)2P(S)SH, (abbreviated Hdtp) in different organic solvents shows that the chain length in Hdtp significantly influence the magnitude of the distribution ratio. The diluent effect and the influence of the inorganic anion present in the aqueous phase was investigated in the Th — di (2-ethyl-hexyl) dithiophosphoric acid (HEhdtp) extraction system. The treatment of the partition data shows that the extraction of Th(IV) in benzene, cyclohexane, chloroform, carbon tetrachloride and n-butanol from perchlorate, chloride and nitrate media occurs via an ion-exchange mechanism. Inorganic anions present in the aqueous phase do not participate in the formation of the extracted species but influence the magnitude of the distribution ratios. Akadémiai Kiadó, 1992 Curtui M. Chemistry Department, Bases-Bolyai University, R-3400, Cluj-Napoca, Roumania aut Haiduc I. Chemistry Department, Bases-Bolyai University, R-3400, Cluj-Napoca, Roumania aut Haiduc Iovanca Chemistry Department, Bases-Bolyai University, R-3400, Cluj-Napoca, Roumania aut Journal of Radioanalytical and Nuclear Chemistry Kluwer Academic Publishers 165/2(1992-05-01), 95-105 0236-5731 165:2<95 1992 165 10967 https://doi.org/10.1007/BF02164260 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF02164260 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Curtui M. Chemistry Department, Bases-Bolyai University, R-3400, Cluj-Napoca, Roumania aut NATIONALLICENCE 700 1- Haiduc I. Chemistry Department, Bases-Bolyai University, R-3400, Cluj-Napoca, Roumania aut NATIONALLICENCE 700 1- Haiduc Iovanca Chemistry Department, Bases-Bolyai University, R-3400, Cluj-Napoca, Roumania aut NATIONALLICENCE 773 0- Journal of Radioanalytical and Nuclear Chemistry Kluwer Academic Publishers 165/2(1992-05-01), 95-105 0236-5731 165:2<95 1992 165 10967 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer