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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.2c00058
|2 doi
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|a eng
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| 100 |
1 |
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|a Saad, Ahmed M
|e verfasserin
|4 aut
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| 245 |
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|a Adsorption of Polar Species at Crude Oil-Water Interfaces
|b the Chemoelastic Behavior
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|c 2022
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 16.07.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a We investigate the formation and properties of crude oil/water interfacial films. The time evolution of interfacial tension suggests the presence of short and long timescale processes reflecting the competition between different populations of surface-active molecules. We measure both the time-dependent shear and extensional interfacial rheology moduli. Late-time interface rheology is dominated by elasticity, which results in visible wrinkles on the crude oil drop surface upon interface disturbance. We also find that the chemical composition of the interfacial films is affected by the composition of the aqueous phase that it has contacted. For example, sulfate ions promote films enriched with carboxylic groups and condensed aromatics. Finally, we perform solution exchange experiments and monitor the late-time film composition upon the exchange. We detect the film composition change upon replacing chloride solutions with sulfate-enriched ones. To the best of our knowledge, we are the first to report the composition alteration of aged crude oil films. This finding might foreshadow an essential crude oil recovery mechanism
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|a Journal Article
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|a Aime, Stefano
|e verfasserin
|4 aut
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|a Chandra Mahavadi, Sharath
|e verfasserin
|4 aut
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| 700 |
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|a Song, Yi-Qiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yutkin, Maxim P
|e verfasserin
|4 aut
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| 700 |
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|a Weitz, David
|e verfasserin
|4 aut
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|a Patzek, Tadeusz W
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 38(2022), 21 vom: 31. Mai, Seite 6523-6530
|w (DE-627)NLM098181009
|x 1520-5827
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|g volume:38
|g year:2022
|g number:21
|g day:31
|g month:05
|g pages:6523-6530
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|u http://dx.doi.org/10.1021/acs.langmuir.2c00058
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