Apparatus for measuring surface tension

Details Apparatus for measuring surface tension Apparatus for measuring surface tension

1995-06-28

1997-08-26

Brock, Michael

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Surface tension

G01N 1302

Patent

active

056612346

ABSTRACT:
An apparatus for the measurement of the surface tension of liquids by means of a capillary tube for supplying gas, the tube having a connector and a nozzle, may be used in a measuring device. In order to create an apparatus that is easy to manufacture and handle, and that can be used reliably in a variety of liquids, the capillary tube is arranged, at least partially, in a crucible for receiving the liquid and is mounted on the wall of the crucible, whereby the connector is arranged outside the interior of the crucible. The connector is connected to the gas line of the measuring device and to a pressure sensor and/or a flow meter.

REFERENCES:
patent: 3765227 (1973-10-01), Campbell et al.
patent: 3780568 (1973-12-01), Goldmann et al.
patent: 4527421 (1985-07-01), Miller, Jr.
W.L. Falke, A.E. Schwaneke, and R. W. Nash, "Surface Tension of Zinc: The Positive Temperature Coefficient", Metallurgical Transactions B, vol. 8B, pp. 301-303, Jun. 1977.
E. Selcuk and D.H. Kirkwood, "Surface Energies Of Liquid Cast Irons Containing Magnesium and Cerium", Journal of The Iron and Steel Institute, pp. 134-140, Feb. 1973.
G.A. Irons and R.I.L. Guthrie, "Bubble Formation at Nozzles in Pig Iron", Metallurgical Transactions B, vol. 9B, pp. 101-110, Mar. 1978.
Goldmann et al., "Measurement of solder-flux-vapor surface tension by a modified maximum bubble presure technique", Review of Scientific Instruments, vol. 47, No. 3, pp. 324-325, Mar. 1976.

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