Category:Du Noüy ring method

**Du Noüy ring method**
	technique for measuring surface tension
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Instance of	technique;
Part of	Q122016408;
Named after	Pierre Lecomte du Noüy;
Authority file
	Q5310063;
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English: The du Noüy ring method is one technique by which the surface tension of a liquid can be measured. The method involves slowly lifting a ring, often made of platinum, from the surface of a liquid. The force required to raise the ring from the liquid's surface is measured and related to the liquid's surface tension.