Title: A Novel Method for n.c.a. 64Cu Production by the 64Zn(d,2p)64Cu Reaction and Dual Ion-exchange Column Chromatography
Citation: RADIOCHIMICA ACTA vol. 95 p. 75-80
Publication Year: 2007
JRC N°: JRC34629
ISSN: 0033-8230
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC34629
Type: Articles in periodicals and books
Abstract: A novel production method for n. c. a. 64Cu based on deuteron irradiation of 64Zn is presented. The production takes place through the 64Zn(d,2p)64Cu reaction using a deuteron beam of 19.5 MeV energy on highly enriched 64Zn disks. An average yield over three irradiations of 31 MBq/microAh (850 mCi/microAh) and saturation yield of 575 MBq/microA (15.5 Ci/microA) at the end of the beam (EOB) was measured by gamma-ray spectrometry. Two of the three runs, of low irradiation charge, were used for radiochemistry. The copper isotopes were separated from other radionu-clidic impurities by the combination of cation and anion exchange chromatography. An average radiochemical yield of 90 % was estimated for the two runs performed in this study, and the specific activity as determined using flame atomic absorption spectrometry was about 4 MBq/microgram, 2 hours after EOB. An extrapolation of the present results to production conditions (50 microA, 10 h) indicates approxi-mately 8 GBq/µg (220 mCi/µg) of specific activity. The overall uncertainty in these values is estimated to 15 %.
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