Abstract
IN a recent communication, Mr. S. V. Subrahmaniam1 has reported measurements of ultrasonic velocities in aqueous solutions of cadmium iodide and mercuric chloride. I have made a detailed investigation of the variation of ultrasonic velocities in a number of aqueous solutions of electrolytes with concentration and temperature. The electrolytes that show the rather unusual behaviour of decreasing sound velocity with increasing concentration are the following: (1) cadmium bromide, (2) cadmium iodide, (3) zinc iodide, (4) strontium iodide, (5) lead acetate, (6) uranyl chloride, and (7) uranyl nitrate. The detailed results were published2,3; the conclusions reached in those studies are as follows :
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References
Subrahmaniam, S. V., Nature, 185, 371 (1960).
Balachandran, C. G., J. Indian Inst. Sci., 37, 27 (1955).
Balachandran, C. G., J. Indian Inst. Sci., 38, 1 (1956).
Barthel, R., J. Acous. Soc. Amer., 26, 227 (1954).
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BALACHANDRAN, C. Ultrasonic Velocities in Aqueous Electrolyte Solutions. Nature 187, 136–137 (1960). https://doi.org/10.1038/187136a0
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DOI: https://doi.org/10.1038/187136a0
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