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Holographic Studies of Diffusivities of KDP and DKDP in the Solutions

✍ Scribed by Yu Xiling; Yue Xuefeng

Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
330 KB
Volume
27
Category
Article
ISSN
0232-1300

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✦ Synopsis

Abstract

The solution diffusivities of KDP and DKDP are measured accurately and conveniently by holography with a reference‐fringe system being introduced into the hologram. The influences of solutions with different concentrations, concentration gradients, deuterium concentrations and at different temperatures on the diffusivities have been studied in detail for KDP‐H~2~O and DKDP‐D~2~O systems. The problems of how to measure diffusivity accurately are discussed on the basis of diffusion mechanism and experimental technique. The activation energies for the diffusion of KDP and DKDP around the saturated solution in the temperature range of 20–50 Β°C are about 16 Β· 10^3^J/mole and 25 Β· 10^3^J/mole, respectively.

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