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ID 15691
Eprint ID
15691
FullText URL
Author
Takahashi Katsuaki
Miura Yoshinari
Abstract
Diffusion phenomena of silver ion in the molten sodium diborate of low silver ion content were investigated at the temperature range from 880℃ to 625℃ by means of chronopotentiometry. From the results, it was shown that the silver ion was reduced reversibly to metallic state at the silver electrode used and silver ion was transported only by diffusion in case that transition time in a potential-time relation was within several seconds. Diffusion coefficients measured at various temperatures satisfied Arrhenius equation. The activation energy of diffusion and diffusion coefficient were respectively 32Kcal/mol and 6.5×10(-7) cm(2)/sec at the liquidous temperature. By comparing these values with those obtained in some molten salts, the difference of structure between the molten glass and molten salts was discussed. Moreover, the consideration for the size of borate anion existing in the molten glass was also tried from the viewpoint of rate process and from Stokes-Einstein's equation.
Published Date
1970-09-01
Publication Title
Memoirs of the School of Engineering, Okayama University
Publication Title Alternative
岡山大学工学部紀要
Volume
volume5
Issue
issue1
Publisher
岡山大学工学部
Publisher Alternative
School of Engineering, Okayama University
Start Page
47
End Page
53
ISSN
0475-0071
NCID
AA00733903
Content Type
Departmental Bulletin Paper
language
英語
File Version
publisher
Refereed
False
Eprints Journal Name
mfe