Tensiograph drop volume method for characterization of alcohols and bifunctional liquids

D. Morrin; N. D. McMillan; K. Beverley; M. O'Neill; B. O'Rourke; G. Dunne; S. Riedel; A. Augousti; J. Mason; F. Murtagh; M. Kokuer

doi:10.1117/12.605525

3 June 2005 Tensiograph drop volume method for characterization of alcohols and bifunctional liquids

D. Morrin, N. D. McMillan, K. Beverley, M. O'Neill, B. O'Rourke, G. Dunne, S. Riedel, A. Augousti, J. Mason, F. Murtagh, M. Kokuer

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Proceedings Volume 5826, Opto-Ireland 2005: Optical Sensing and Spectroscopy; (2005) https://doi.org/10.1117/12.605525
Event: OPTO-Ireland, 2005, Dublin, Ireland

Abstract

An extensive experimental study into the relationships between tensiotrace features and surface tension of alcohols and bifunctional liquids has produced a series of empirical relationships. The use of this 'inside the rainbow' studies for pendant drops is known as optical tensiography. A series of empirical relationships discovered will enable the experimental measurement of surface tension without the correction factors that have been used since the development of the drop volume/weight method over a century ago for a restricted range of liquids. This approach offers potentially important applications in surface science and it is also suggested how these new relationships will be tested using theoretical models developed by the authors in the ongoing work. This paper provides the first experimental investigation into the commencement of the tensiotrace, a position at which optical coupling begins, which reveals measurement possibilities.

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D. Morrin, N. D. McMillan, K. Beverley, M. O'Neill, B. O'Rourke, G. Dunne, S. Riedel, A. Augousti, J. Mason, F. Murtagh, and M. Kokuer "Tensiograph drop volume method for characterization of alcohols and bifunctional liquids", Proc. SPIE 5826, Opto-Ireland 2005: Optical Sensing and Spectroscopy, (3 June 2005); https://doi.org/10.1117/12.605525

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KEYWORDS

Liquids

Refractive index

Bioalcohols

Roads

Surface properties

Light emitting diodes

Physics

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