Authors:
B. Eichler Vereinigtes Institut für Kernforschung Laboratorium für Kernreaktionen Dubna (UdSSR)

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V. Domanov Vereinigtes Institut für Kernforschung Laboratorium für Kernreaktionen Dubna (UdSSR)

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Abstract  

The Hg-, Cd- and UO2-targets bombarded by protons have been treated using the sublimation and evaporation techniques. The Hg and Cd nuclei have been separated from non-isotopic products by distillation in the hydrogen stream. The separation of the groups of Re, Os, Ir, Mo, Tc and Ru oxides has been carried out in the air stream. No monotonic temperature dependence of the Tl, Ru, Mo, Tc, Te, Pb and Po release has been observed in the oxidation of the UO2-ceramics in the air stream. The values of (−ΔH a0 ) of volatile products adsorbed on quartz have been determined from the chromatographic data. The relation between the adsorption heat (−ΔH a0 ) and the standard sublimation heat (ΔH 2980 subl.) has been found to be linear, i.e. −ΔH a0 =(4.04±1.97)+(0.69±0.04)ΔH 2980 (subl.). As an example of the thermochromatographic generator of isotopes, the separation of99Mo to99mTc has been investigated.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)