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4. Comparison of the Volumes of Saline Solutions with the Sums of the Volumes of the Constituents

Published online by Cambridge University Press:  15 September 2014

J. Holms Pollok  and
Sir William Thomson
J. Holms Pollok
Affiliation:
Chemical Laboratory, Glasgow University.
Sir William Thomson
Affiliation:
Chemical Laboratory, Glasgow University.
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Extract

My attention was first drawn to the change of volume which takes place when a salt is dissolved in different quantities of water, by an experiment shown by Sir William Thomson in his class at the Glasgow University. He took a wide glass tube, about 3 feet long, sealed at one end, and having a narrow tube attached to the other end. The lower half of this tube he filled with a saturated solution of common salt, and on the top of that he placed a layer of water, which just reached a mark about the middle of the small tube. He then corked the open end, and mixed up the water and brine by inverting the tube two or three times, when it was seen that the solution had contracted.

Type
Proceedings 1885-86
Information
Proceedings of the Royal Society of Edinburgh , Volume 13 , 1886 , pp. 626 - 628
Copyright
Copyright © Royal Society of Edinburgh 1886

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