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Tensiometer
Tensiometer
Tensiometer

The Cenco-DuNouy tensiometer measured surface tension, expressed in dynes per centimeter, by determining the amount of force necessary to pull a platinum-iridium ring off the surface of a fluid. Developed in 1919 by P. Lecomte DuNouy at the Rockefeller Institute of Medical Research, this instrument reduced the difficulty of measuring surface tension and improved the reliability of results.

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