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Yamaguchi, Tetsuji; Nakayama, Shinichi; Kawada, Chiharu*
Genshiryoku Bakkuendo Kenkyu, 9(1), p.61 - 66, 2002/09
The effective diffusivity () and distribution ratio () of Ba in Inada granite have been determined by the through-diffusion method. Experiments were performed in triplicate for 10, 1 and 10 mol m BaCl solutions at 25C. The value obtained at a BaCl concentration of 10 mol m, agreed to the estimated value based on the pore diffusion model. The lower BaCl concentrations yielded higher values and higher values. The variation in was neither due to the speciation of barium in the solutions nor due to variation in physical properties of the pore structure in the rock. Contribution of diffusion in sorbed state should be responsible for the variation in .
Kawada, Chiharu*; Nakayama, Shinichi
Genshiryoku Bakkuendo Kenkyu, 4(2), p.97 - 99, 1998/03
no abstracts in English