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III.—Importance of Dialysis in the Study of Colloids. V.—Colloidal Gold. VI.—Colloidal Vanadium Pentoxide

Published online by Cambridge University Press:  15 September 2014

B. N. Desai ,
P. M. Barve  and
Y. S. Paranjpe
B. N. Desai
Affiliation:
Physical Chemistry Laboratory, Wilson College, Bombay, 7, India
P. M. Barve
Affiliation:
Physical Chemistry Laboratory, Wilson College, Bombay, 7, India
Y. S. Paranjpe
Affiliation:
Physical Chemistry Laboratory, Wilson College, Bombay, 7, India
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Extract

In previous papers by Desai and collaborators (Desai and Borkar, 1933 a; Desai and Desai, 1933 b; Mankodi, Barve, and Desai, 1936 a; and Joshi, Barve, and Desai, 1936 b) it has been shown that the changes which are produced in the charge on the colloidal particles during dialysis of ferric hydroxide, thorium hydroxide, prussian blue, and arsenious sulphide sols are not so simple as is usually supposed, and that data for viscosity and stability towards electrolytes do not necessarily give direct information with regard to the charge on the colloidal particles. In the present paper measurements of cataphoretic speed in the presence and absence of electrolytes, stability towards electrolytes, and conductivity of colloidal solutions of gold and vanadium pentoxide which have been dialysed, diluted, allowed to age, and exposed to sunlight to different extents, have been presented and the interpretations given in the previous papers amplified.

Type
Proceedings
Information
Proceedings of the Royal Society of Edinburgh , Volume 59 , 1940 , pp. 22 - 37
Copyright
Copyright © Royal Society of Edinburgh 1940

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References

References to Literature

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