Authors:
R. Münze Central Institute for Nuclear Research Radiochemistry Department Rossendorf GDR

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O. Hladik Central Institute for Nuclear Research Radiochemistry Department Rossendorf GDR

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S. Marei Atomic Energy Authority Nuclear Chemistry Department Cairo ARE

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S. El-Bayoumy Atomic Energy Authority Nuclear Chemistry Department Cairo ARE

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M. El-Garhy Al-Fateh University Faculty of Petroleum and Mining Engineering Tripoli Lybia

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Abstract  

The diffusion coefficients for the two diffusion steps in the133Xe release curves from uranium metal were calculated. There is a linear relation between the logarithm of the diffusion coefficients and the reciprocal of the absolute temperature. The activation energies for the two diffusion processes were calculated. Two equations for the diffusion coefficients were deduced: D(rapid)=2.926·10−3 e−39740/RT cm2/sec D(slow)=2.242·10−7 e−27000/RTcm2/sec The rapid diffusion was attributed to the true diffusion of133Xe gas atoms, while the slow diffusion was attributed to the self-diffusion of the uranium atoms which will lead to the release of133Xe gas.

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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)