2008
DOI: 10.2516/ogst:2008011
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3D Confocal Scanning Laser Microscopy to Quantify Contact Angles in Natural Oil-Water Mixtures

Abstract: Résumé -Microscopie confocale à balayage laser 3D pour quantifier les angles de contact des mélanges naturels diphasiques eau-huile -La mesure de l'angle de contact est l'un des moyens les plus utilisés pour quantifier la mouillabilité et l'énergie de surface d'un matériau en contact avec un/ou plusieurs liquides. Ce travail présente une méthode basée sur le principe du microscope confocal à balayage laser pour mesurer l'angle de contact d'une goutte déposée sur une surface solide. Plusieurs systèmes solide-fl… Show more

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Cited by 6 publications
(6 citation statements)
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“…In order to determine the wettability of the glass and quartz microchannels using oil or water, the contact angle (Â) of a liquid droplet placed on a flat sample of glass or quartz was measured by a confocal scanning laser microscope (Salim et al, 2008). The measured contact angles of an oil droplet on a flat sample of quartz and glass were 12…”
Section: Wettability Characterizationmentioning
confidence: 99%
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“…In order to determine the wettability of the glass and quartz microchannels using oil or water, the contact angle (Â) of a liquid droplet placed on a flat sample of glass or quartz was measured by a confocal scanning laser microscope (Salim et al, 2008). The measured contact angles of an oil droplet on a flat sample of quartz and glass were 12…”
Section: Wettability Characterizationmentioning
confidence: 99%
“…These parameters were determined by a method using confocal scanning laser microscopy (Salim et al, 2008) as follows. The walls of the microchannels were wetted with an aqueous solution of fluorescein.…”
Section: Hydraulic Diameter Estimationmentioning
confidence: 99%
“…The co-existence of green-yellow and blue colored inclusions in the same fluid inclusion assemblage could be explained by the role of the nano-cracks that can act as micro-capillary tubes responsible for fluorochrome segregation. This segregation is related to the wetting properties of the mineral-water-hydrocarbon systems (Salim et al, 2008).…”
Section: Discussionmentioning
confidence: 99%
“…The specular reflection from the drop surface by using a light source is another technique that can be applied to estimate Fig. 2 Sketch shows a telescope-goniometer technique for contact angle measurement (Salim et al 2008) the hysteresis of the contact angle (Langmuir and Schaefer 1937). The light source is rotated around the droplet until the reflection from the drop dies; afterward, the contact angle can be read from the degree of the rotation.…”
Section: Experimental Observations Of Hysteresis In Wettabilitymentioning
confidence: 99%