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[en] No-carrier-added (nca) 90Nb (14.6 h) was produced by irradiating a natural zirconium foil of 4.9 mg/cm2 thickness by 13 MeV proton beam. Nca 90Nb of ∼27 kBq activity was produced in the target matrix. Liquid-liquid extraction technique was applied using trioctylamine (TOA) in cyclohexane to separate nca 90Nb from bulk zirconium matrix. About 70% radiochemical yield of nca 90Nb was achieved with a separation factor of 1.4 x 104. (author)
Journal
Journal of Radioanalytical and Nuclear Chemistry; ISSN 0236-5731; 
; CODEN JRNCDM; v. 283(3); p. 637-640
; CODEN JRNCDM; v. 283(3); p. 637-640