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University of Cambridge > Talks.cam > Interfacial Studies on a Charged Surface in Oil by Contact Angle Measurements > Interfacial Studies on a Charged Surface in Oil by Contact Angle Measurements
Interfacial Studies on a Charged Surface in Oil by Contact Angle MeasurementsAdd to your list(s) Download to your calendar using vCal
If you have a question about this talk, please contact Seung Lee. This talk has been canceled/deleted Contact angles are dependent upon three interfacial energies: γsolid/liquid, γsolid/vapour, and γliquid/vapour according to Young’s relation. Solid, liquid and vapour phases in this work are respectively amorphous silicates, water droplets and oil media. Due to the three variables, contact angles could be insufficient but necessary to study the surface modification and water adsorption on the surfaces in situ. Surfactants, Ca(AOT)2 added in the oil phase can modify the surface via a cation bridging and hence the surface tension, γsolid/liquid. Added electrolytes in water droplets can vary the water adsorption on the modified surfaces. This talk is part of the Interfacial Studies on a Charged Surface in Oil by Contact Angle Measurements series. This talk is included in these lists:This talk is not included in any other list Note that ex-directory lists are not shown. |
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