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topic 264

Are there automatic stalagmometers?


(1996)

Are there automatic stalagmometers (surface tension measuring devices) available for use? If so, where might I locate one? Manual ones are cumbersome and invite erroneous readings. The application is for measuring surface tension of chemical blanket agents design to minimize chrome air emissions...so much surface tension equals so much chrome emitted...at least in theory.

Thanks for any input.

Sandra Wyman



(1996)

I don't know, Sandra -- but maybe a reader does. But the American Electroplaters & Surface Finishers Society hosted the 4th Hard Chromium Plating Colloquium (1996) in Cleveland, and here is an abstract of one paper:

You could see if the proceedings are available. AESF / NASF (www.nasf.org) conducts periodic seminars on chrome compliance too.

Ted Mooney, finishing.com Teds signature
Ted Mooney, P.E. RET
finishing.com
Pine Beach, New Jersey


June 8, 2010

The stalagmometer measures the number of drops coming from a known orifice to calculate the surface tension. KSV Instrument (now "Attension" by KSV Instruments) makes an AL-20 drop volume tensiometer based on the stalagmometer principle. It is an automatic stalagmometer.

Greg Wills
- Linthicum Heights, Maryland, USA



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