CSC Scientific Blog

A blog about test equipment

CSC Scientific Blog

Surface Tension - Rings, Bubbles, Drops, and Plates

Posted by Art Gatenby on Feb 19, 2019 8:00:00 AM

The definition of Liquid Surface Tension is simple.  

It's the force that keeps a liquid from flying off into space.

However, the measurement of surface tension can take many forms, which can be confusing. In an attempt to get some clarity, we have articulated two principle measurement concepts in this article: drop-based measurement and force-based measurement.

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Topics: Automatic Digital Tensiometer, Automatic Surface Tension Measurment, Surface Tension Measurement, Surface Tension, Interfacial Tensiometer, interfacial tension, tensiometers, du Nouy tensiometer, surface tension instruments, surface tension analysis

Having Trouble Performing a duNouy Ring Test in Thick Samples?

Posted by Art Gatenby on Nov 15, 2010 3:29:00 PM

My musings were interrupted this week with a pressing challenge. It was stated like this:

 “My duNouy ring kept falling off the arm hook when attempting to immerse it into a high-viscosity sample.”

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Topics: duNouy Rings, Surface Tension Measurement, Surface Tension, Interfacial Tensiometer, tensiometers, Liquid Properties

Walk On Water ??? Really ???

Posted by Art Gatenby on Sep 10, 2009 4:31:00 PM

Yes you can walk on water withSurface Tension.

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Topics: Surface Tension Measurement, tensiometers, surface tension instruments, surface tension analysis, walk on water

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