Table 4.
Radiochemical separation of no-carrier-added terbium radionuclides.
Nuclear reaction | Radiochemical separation | Separation factors (S) | References |
---|---|---|---|
Gd(n,γ)161Gd(ε)161Tb. | Extraction using DOWEX 50 resin, and α- HIBA as. eluent at pH 4.4 | (60) | |
natNd(12C,xn)150−153Dy(ε)150−153Tb | LLX: HDEHP/cyclohexane and HCl | STb/Nd = 100 | (48) |
SDy/Nd = 390 | |||
STb/Dy =38 | |||
natCe(16O,xn)151−153Dy(ε)151−153Tb | LLX: HDEHP/cyclohexane and HCl | STb/Ce = 657 | (47) |
SDy/Ce = 41,157 | |||
STb/Dy = 38 | |||
141Pr(12C,xn)149−151Tb | LLX: HDEHP/cyclohexane and HCl | STb/Pr = 470,000 | (63) |
SGd/Pr = 394 | |||
STb/Gd = 52,000 | |||
139La(16O, xn) 149, 151, 152Tb | LLX: HDEHP/cyclohexane and HCl | STb/La = 816 | (49) |
Proton induced spallation on Ta target, followed by collection of A = 149 fraction by ISOL which contained 149Tb, 149Gd, 149Eu, 133CeO+, 133LaO+ | Adsorption in cation exchange; AMINEX-A5, followed by elution with α-HIBA | 149Tb was eluted first without contamination from other radionuclides | (42) |
142Nd(12C,5n)149Dy(ε)149Tb | Tb, Gd separation, elution with α-HIBA | (64, 65) | |
Separation study of isobaric 149Tb and 133Ce | Extraction chromatography using UTEVA, TEVA, TK-100, AG-1 resin, 8 M HNO3 | 149Tb was eluted first, later Ce was eluted by HCl | (61) |
Gd(n,γ)161Gd(ε)161Tb | Extraction chromatography using LN resin, 0.8 M and 3 M HNO3 | (62, 66) |