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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.9b01863
|2 doi
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|a pubmed24n1001.xml
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Alloway, Richard M
|e verfasserin
|4 aut
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| 245 |
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|a Adsorption of 4-n-Nonylphenol, Carvacrol, and Ethanol onto Iron Oxide from Nonaqueous Hydrocarbon Solvents
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 30.06.2020
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|a Date Revised 30.06.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The adsorption of 4-n-nonylphenol (4NP), carvacrol, and ethanol onto the surface of iron oxide from nonaqueous solutions is presented. It is found that adsorption of 4NP from alkanes is strong and proceeds to monolayer formation, where the molecules are essentially "upright". However, at high relative concentrations, ethanol successfully out-competes 4NP for the iron oxide surface. Estimates of the enthalpy and entropy of binding of 4NP were found to be exothermic and entropically disfavored. Sum frequency generation vibrational spectroscopy data indicate some evidence of binding through a phenolate anion, despite the nonpolar, nonaqueous solvent. Carvacrol is also found to adsorb as a monolayer where the molecules are lying "flat". The adsorption of ethanol onto iron oxide from dodecane was investigated through the use of quantitative NMR, which is a convenient analytical technique for measuring adsorption isotherms. It was concluded that ethanol does not form adsorbed monolayers on the surface. Instead, it partitions onto the surface as a surface-enhanced local phase separation related to its poor solubility in alkane solvents
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Mong, Jennings
|e verfasserin
|4 aut
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|a Jephson, Izaak W
|e verfasserin
|4 aut
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|a Wood, Mary H
|e verfasserin
|4 aut
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|a Casford, Michael T L
|e verfasserin
|4 aut
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|a Grice, Peter
|e verfasserin
|4 aut
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|a Filip, Sorin V
|e verfasserin
|4 aut
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|a Salama, Ibrahim E
|e verfasserin
|4 aut
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|a Durkan, Colm
|e verfasserin
|4 aut
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|a Clarke, Stuart M
|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 1992
|g 35(2019), 36 vom: 10. Sept., Seite 11662-11669
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:35
|g year:2019
|g number:36
|g day:10
|g month:09
|g pages:11662-11669
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|u http://dx.doi.org/10.1021/acs.langmuir.9b01863
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