Angle of Contact of Mercury against a Moving Tungsten Wire

Abstract

DURING preparations for the measurement of the density of mercury by weighing in it a cube of tungsten carbide of known volume, it was necessary to measure the surface tension force exerted by the mercury on the 0.002-in. diameter tungsten wire used to suspend the cube. The method developed for measuring the angle of contact and the behaviour of the angle of contact against an oscillating wire may be of more general interest.

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References

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    Yarnold, G. D., Proc. Phys. Soc., 50, 540 (1938); 58, 120 (1946).

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    Adam, N. K., and Jessop, G., Trans. Chem. Soc., 127, (Pt. 2), 1863 (1925).

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COOK, A., STONE, N. Angle of Contact of Mercury against a Moving Tungsten Wire. Nature 174, 366–367 (1954) doi:10.1038/174366a0

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