Gas phase nucleation core electrodes for the electrolytical method of measuring the dynamic surface tension inaqueous solutions

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Volanschi, A. and Oudejans, D. and Olthuis, W. and Bergveld, P. (1996) Gas phase nucleation core electrodes for the electrolytical method of measuring the dynamic surface tension inaqueous solutions. Sensors and Actuators B: Chemical, 35 (1-3). pp. 73-79. ISSN 0925-4005

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Abstract:The design and operation of a new type of single nucleation site electrode, the gas phase nucleation core (GPNC) electrode, is described in this paper. The GPNC is basically an artificial Harvey nucleus which is made on a microelectrode. It is experimentally shown that it is possible to generate monosized gas bubbles with a periodical evolution by this method. The gas bubble evolution process is monitored electrically by means of overpotential and impedance measurements as well as optically observed. It is concluded that a possible use of the devices could be as a surfactant concentration sensor.
Item Type:Article
Copyright:© 1996 Elsevier Science
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/15089
Official URL:http://dx.doi.org/10.1016/S0925-4005(96)02017-5
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Metis ID: 111971