INTERDIFFUSION IN THALLIUM AMALGAMS

The interdiffusion coefficient of thallium in thallium amalgams was measured by the capillary reservoir technique. At 25 °C the values of 10 5 D in cm 2 sec −1 at 0.00365, 0.0536, 0.0895, 0.148, 0.188, 0.283, 0.323, and 0.404 mole fraction thallium were 1.08,1.37,1.50,1.37,1.14,0.83, 0.95, and 1.11...

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Bibliographic Details
Published in:Canadian journal of chemistry 1963-07, Vol.41 (7), p.1782-1786
Main Authors: Foley, W. T, Reid, L. E
Format: Article
Language:English
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Summary:The interdiffusion coefficient of thallium in thallium amalgams was measured by the capillary reservoir technique. At 25 °C the values of 10 5 D in cm 2 sec −1 at 0.00365, 0.0536, 0.0895, 0.148, 0.188, 0.283, 0.323, and 0.404 mole fraction thallium were 1.08,1.37,1.50,1.37,1.14,0.83, 0.95, and 1.11 respectively with standard deviations in 10 −5 (cm 2 sec −1 ) of 0.03, 0.06, 0.09, 0.10, 0.09, 0.08, 0.08, and 0.11 respectively. The minimum in the value of D at 0.288 mole fraction thallium shows that the compound Tl 2 Hg 5 plays a significant role in the diffusion process. Values of ∂ ln a/∂ ln N for the thallium and for the compound were used to explain the dependence of D on the concentration.
ISSN:0008-4042
1480-3291
DOI:10.1139/v63-255