Abstract
WHEN a liquid of slightly greater density than water is poured into a shallow layer of the latter, it is often possible to produce the formation shown in the accompanying photograph, in which the heavier liquid appears as a column of curved outline, stretched by its own weight, and hanging from the surface of the water. By performing the experiment in the following manner, the production of the column is rendered easy and certain. A test-tube of the dimensions shown in the photograph, preferably furnished with a foot, is filled to about one half the height of the hemispherical end with water, and 5 to ip c.c. of acet-oacetic ether are then added. Usually, the formation of the column is automatic; if it should fail to form the contents should be shaken up, and the test-tube allowed to stand for a short time, when the liquids will settle as shown. Water globules entangled in the aceto-acetic ether may be removed by drawing to the side with a wire.
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DARLING, C. The Formation of Stable Columns of Liquids. Nature 86, 555 (1911). https://doi.org/10.1038/086555a0
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DOI: https://doi.org/10.1038/086555a0
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