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Proceedings Paper

Tensiograph drop volume method for characterization of alcohols and bifunctional liquids
Author(s): 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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Paper 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.

Paper Details

Date Published: 3 June 2005
PDF: 9 pages
Proc. SPIE 5826, Opto-Ireland 2005: Optical Sensing and Spectroscopy, (3 June 2005); doi: 10.1117/12.605525
Show Author Affiliations
D. Morrin, Institute of Technology Carlow (Ireland)
N. D. McMillan, Institute of Technology Carlow (Ireland)
K. Beverley, Institute of Technology Carlow (Ireland)
M. O'Neill, Carl Stuart Ltd. (Ireland)
B. O'Rourke, Institute of Technology Carlow (Ireland)
G. Dunne, Institute of Technology Carlow (Ireland)
S. Riedel, Kelman Ltd. (United Kingdom)
A. Augousti, Kingston Univ. (United Kingdom)
J. Mason, Kingston Univ. (United Kingdom)
F. Murtagh, Queen's Univ. (United Kingdom)
M. Kokuer, Univ. of Coventry (United Kingdom)

Published in SPIE Proceedings Vol. 5826:
Opto-Ireland 2005: Optical Sensing and Spectroscopy
Gerard D. O'Sullivan; Brian D. MacCraith; Hugh James Byrne; Enda McGlynn; Alan G. Ryder, Editor(s)

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