Authors:
Zs. Szántó Institute of Nuclear Research of the Hungarian Academy of Sciences Laboratory for Environmental Studies 4010 Debrecen Hungary

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É. Svingor Institute of Nuclear Research of the Hungarian Academy of Sciences Laboratory for Environmental Studies 4010 Debrecen Hungary

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M. Molnár Institute of Nuclear Research of the Hungarian Academy of Sciences Laboratory for Environmental Studies 4010 Debrecen Hungary

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L. Palcsu Institute of Nuclear Research of the Hungarian Academy of Sciences Laboratory for Environmental Studies 4010 Debrecen Hungary

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I. Futó Institute of Nuclear Research of the Hungarian Academy of Sciences Laboratory for Environmental Studies 4010 Debrecen Hungary

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Z. Szűcs Institute of Nuclear Research of the Hungarian Academy of Sciences Laboratory for Environmental Studies 4010 Debrecen Hungary

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Abstract  

Understanding the characteristics of diffusion is essential in the assessment of radionuclide release through the backfill of waste repository. The diffusion behavior of 3H, 99Tc, 125I, 36Cl and 85Sr in granite, concrete and bentonite was studied in a specially designed diffusion cell. Diffusion coefficients (D, Da) and time-lag (ta) were measured, break-trough curves were plotted and experimental data were interpreted to predict diffusion rates. The results showed that tritium, iodine and chlorine could be considered as non-sorbing tracers, while technetium was weakly and strontium was strongly sorbed (no break-through was observed during the period of the experiments).

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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)