Crossref journal-article
AIP Publishing
The Journal of Chemical Physics (317)
Abstract

The diffusion of Ne20 and Ne22 through the walls of high-purity fused quartz hollow cylinders was studied using a mass spectrometer as a detecting device. The diffusion process was found to be relatively simple and fairly well described by Fick's laws. Diffusion coefficients and permeabilities were measured for both isotopes in the temperature range of 440° to 985°C. The D0's for Ne20 and Ne22 were (2.21±0.12) × 10—4 cm2/sec and (2.08±0.17) × 10—4 cm2/sec respectively. The activation energy for diffusion for Ne20 was 11 370±80 cal/g atom and the value for Ne22 was found to be statistically equivalent to this. The best estimate of the ratio of the D0's was 1.05±0.01. Solubilities were calculated by dividing the permeabilities by the diffusion coefficients. The heats of solution for the two isotopes were the same and equal to — 1950±150 cal/g atom. The significance of the isotope effect in diffusion is discussed.

Bibliography

Frank, R. C., Swets, D. E., & Lee, R. W. (1961). Diffusion of Neon Isotopes in Fused Quartz. The Journal of Chemical Physics, 35(4), 1451–1459.

Authors 3
  1. R. C. Frank (first)
  2. D. E. Swets (additional)
  3. R. W. Lee (additional)
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Dates
Type When
Created 20 years, 7 months ago (Jan. 5, 2005, 10:07 p.m.)
Deposited 1 year, 6 months ago (Feb. 8, 2024, 3:13 p.m.)
Indexed 4 months ago (May 2, 2025, 12:07 a.m.)
Issued 63 years, 11 months ago (Oct. 1, 1961)
Published 63 years, 11 months ago (Oct. 1, 1961)
Published Print 63 years, 11 months ago (Oct. 1, 1961)
Funders 0

None

@article{Frank_1961, title={Diffusion of Neon Isotopes in Fused Quartz}, volume={35}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1732065}, DOI={10.1063/1.1732065}, number={4}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Frank, R. C. and Swets, D. E. and Lee, R. W.}, year={1961}, month=oct, pages={1451–1459} }