Authors:
S. Osaki Kyushu University Radioisotope Center Hakozaki, Higashi-ku 812 Fukuoka (Japan)

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E. Inoue Kyushu University Faculty of Science Hakozaki, Higashi-ku 812 Fukuoka (Japan)

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S. Sugihara Kyushu University Radioisotope Center Hakozaki, Higashi-ku 812 Fukuoka (Japan)

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Y. Takashima Kyushu University Faculty of Science Hakozaki, Higashi-ku 812 Fukuoka (Japan)

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Abstract  

The diffusion coefficients of Sr in gelled silica gel layers have been measured at various porosities. They decreased with the second power of porosity. At constant porosity, the diffusion coefficients of Sr and Co were measured at various pHs. They were dependent on the distribution coefficients (K) of the species between silica gel and pore water as a function of 1/(1+K). Gelation of the porous layer enables a stable measurement of diffusion coefficients under various conditions and facilitates the analysis of the distribution of ions after the diffusion 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)