caa a22 4500 469111461 CHVBK 20180323133112.0 cr unu---uuuuu 170328e19920401xx s 000 0 eng 10.1007/BF02047124 doi (NATIONALLICENCE)springer-10.1007/BF02047124 Sato T. Department of Chemistry, Japan Atomic Energy Research Institute, Tokai, Ibaraki, (Japan) aut Extraction behavior of yttriuí with diisodecylphosphoric acid from nitric acid solution [Elektronische Daten] [T. Sato] Extraction of yttrium and some of the lanthanoids by diisodecylphosphoric acid (DIDPA) has been studied as a function of nitric acid concentration in the aqueous phase and concentration of the DIDPA in n-dodecane. The distribution ratio of yttrium was found to increase with the second power of concentration of the extractant and decrease with the third power of concentration of nitric acid. As the concentration of yttrium in the organic phase increased, an amorphous solid was found to precipitate and the composition of the solid was determined to be Y(DIDP)3. To dissolve Y(DIDP)3 into n-dodecane, a 14-fold molar excess of DIDPA was required over Y(DIDP)3. The distribution ratio of yttrium was found to be too high to back-extract this element by nitric acid of medium concentration. Akadémiai Kiadó, 1992 Journal of Radioanalytical and Nuclear Chemistry Kluwer Academic Publishers 158/2(1992-04-01), 391-399 0236-5731 158:2<391 1992 158 10967 https://doi.org/10.1007/BF02047124 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF02047124 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Sato T. Department of Chemistry, Japan Atomic Energy Research Institute, Tokai, Ibaraki, (Japan) aut NATIONALLICENCE 773 0- Journal of Radioanalytical and Nuclear Chemistry Kluwer Academic Publishers 158/2(1992-04-01), 391-399 0236-5731 158:2<391 1992 158 10967 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer