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A Study of Ionic Association in Aqueous Solutions of Bi-Bivalent Electrolytes by Freezing-Point Measurements

P. G. M. Brown and J. E. Prue
Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences
Vol. 232, No. 1190 (Nov. 8, 1955), pp. 320-336
Published by: Royal Society
Stable URL: http://www.jstor.org/stable/99702
Page Count: 17
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
A Study of Ionic Association in Aqueous Solutions of Bi-Bivalent Electrolytes by Freezing-Point Measurements
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Abstract

Measurements of freezing-point depression with a precision of ± 0· 0002° C have been made on aqueous solutions of potassium chloride and the sulphates of copper, zinc, magnesium, calcium, cobalt and nickel. The results for the sulphates have been analyzed using the theory of incomplete dissociation in a manner which makes clear the physical status of the dissociation constants obtained, and the relation between the approaches associated with the names of Bjerrum and Davies. The values of the dissociation constants are compared with those obtained by other methods.

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