Formation of n-alkane layers at the vapor/water interface

We present a study on the initial wetting behaviors of two low molecular weight alkanes, heptane and octane, at the vapor/water interface using both neutron and X-ray reflectometry. Combined X-ray and neutron reflectivity studies data showed that a uniform film, which has never been reported, was fo...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 23(2007), 24 vom: 20. Nov., Seite 12249-53
1. Verfasser: Kwon, Oh-Sun (VerfasserIn)
Weitere Verfasser: Jing, Huaiyu, Shin, Kwanwoo, Wang, Xiaohui, Satija, Sushil K
Format: Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Alkanes Gases Heptanes Octanes Water 059QF0KO0R octane X1RV0B2FJV
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520 |a We present a study on the initial wetting behaviors of two low molecular weight alkanes, heptane and octane, at the vapor/water interface using both neutron and X-ray reflectometry. Combined X-ray and neutron reflectivity studies data showed that a uniform film, which has never been reported, was formed continuously at 25 degrees C. As the adsorptive deposition continued, each adsorbed film was saturated at a specific equilibrium thickness: 48 and 36 A for deuterated heptane and octane, respectively, and 21 A for hydrogenated octane. The thickness of the adsorbed layer measured by neutron reflectivity is in agreement with that measured using X-ray reflectivity. Our observations of continuous and saturated adsorption behaviors are analyzed qualitatively using a kinetic adsorption model 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
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700 1 |a Jing, Huaiyu  |e verfasserin  |4 aut 
700 1 |a Shin, Kwanwoo  |e verfasserin  |4 aut 
700 1 |a Wang, Xiaohui  |e verfasserin  |4 aut 
700 1 |a Satija, Sushil K  |e verfasserin  |4 aut 
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