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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.0c01874
|2 doi
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|a pubmed24n1046.xml
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|a DE-627
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| 041 |
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|a eng
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| 100 |
1 |
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|a Lian, Xiaodong
|e verfasserin
|4 aut
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| 245 |
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|a Effect of pH or Metal Ions on the Oil/Water Interfacial Behavior of Humic Acid Based Surfactant
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a Date Completed 06.10.2020
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|a Date Revised 06.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Humic acid, a kind of widespread organic macromolecule on earth, is naturally formed through the microbial biodegradation of plant, animal, and microorganism residues. Because of the large number of active functional groups (phenolic hydroxyl and carboxyl), humic acid has been considered as a biocompatible, green, and low-cost biosurfactant recently. In this work, based on the sensitivity of humic acid to the external chemical environment, the oil/water interfacial behavior of sodium humate at different pH or in the presence of metal ions is closely investigated. Sodium humate is significantly enriched toward the oil/water interface at either low pH or high metal-ion concentration to adjust the properties of the prepared emulsion, but the mechanisms are proved to be different when considering the influence of pH and metal ions. Besides, to the best of our knowledge, humic acid based surfactant is proposed as a Pickering emulsifier for the first time, known as solid surfactant. This work promises the great potential of humic acid as a natural environment-responsive surfactant and has important implications for the application of humic acid based surfactant in industry and understanding of the role of humic acid in the natural environment
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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1 |
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|a Liao, Shenglong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Yipan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Xiaogang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yapei
|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 36(2020), 36 vom: 15. Sept., Seite 10838-10845
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|x 1520-5827
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| 773 |
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|g volume:36
|g year:2020
|g number:36
|g day:15
|g month:09
|g pages:10838-10845
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|u http://dx.doi.org/10.1021/acs.langmuir.0c01874
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