Method of measuring low interfacial tension by pendant drop digi

Details Method of measuring low interfacial tension by pendant drop digi Method of measuring low interfacial tension by pendant drop digi

1995-07-14

1997-03-25

Couso, Jose L.

Image analysis

Applications

73 6448, 73 6452, G06K 900

Patent

active

056152760

ABSTRACT:
The present invention is related to a method of measuring low interfacial tension of a two-phase fluid system by pendant drop digitization, in which a silhouette of a pendant drop is created and photographed, its video image is digitized, and a plurality of the digitized data points are then repeatedly compared with theoretical curves calculated numerically from Young Laplace equation to obtain the interfacial tension.

REFERENCES:
Shi-Yow Lin, et al., "Diffusion-Limited Interpretation of the Induction Period in the Relaxation in Surface Tension Due to the Adsorption of Straight Chain, Small Polar Group Surfactant: Theory and Experiment," Langmuir 1991, 7, 1055-1066.
Shi-Yow Lin, et al., "Diffusion-Controlled Surfactant Adsorption Studied by Pendant Drop Digitization," AlChe J., Dec. 1990, vol. 36, No. 12, 1785-1795.
Shi-Yow Lin, et al., "Measurement of Low Interfacial Tension by Pendant Drop Digitization," Langmuir 1994, 10, 4703-4709.

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