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|Title:||Wet-chemistry Method for the Separation of No-carrier-added 211At/211gPo from 209Bi Target Irradiated by Alpha-beam in Cyclotron|
|Authors:||ZONA C; BONARDI M L; GROPPI F; MORZENTI S.; CANELLA L; PERSICO E; MENAPACE E; ALFASSI Z.b.; ABBAS KAMEL; HOLZWARTH UWE; GIBSON PETER|
|Citation:||JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY vol. 276 no. 3 p. 819-824|
|Type:||Articles in periodicals and books|
|Abstract:||We present a fast and effective wet-chemistry method, used to obtain the pure alpha-emitter 211At/211gPo (T1/2 = 7.214 h/516 ms), produced by 209Bi(a,2n) reaction in NCA form. It is a selective radiochemical separation of the At radionuclides from the target and the impurities, characterized by a radionuclidic purity close to 100%, based on the dissolution and the dilution of the irradiated target in acidic medium, on the extraction with DIPE, followed by the back-extraction with NaOH. As a result, we obtain a yield greater than 90-97% in a range from 0.75M to 2.00M.|
|JRC Directorate:||Institute for Health and Consumer Protection Historical Collection|
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