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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.0c03519
|2 doi
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|a pubmed24n1082.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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| 100 |
1 |
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|a Berthonneau, Jeremie
|e verfasserin
|4 aut
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| 245 |
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|a Nanoscale Accessible Porosity as a Key Parameter Depicting the Topological Evolution of Organic Porous Networks
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 12.05.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a A significant part of the hydrocarbons contained in source rocks remains confined within the organic matter-called kerogen-from where they are generated. Understanding the sorption and transport properties of confined hydrocarbons within the kerogens is, therefore, paramount to predict production. Specifically, knowing the impact of thermal maturation on the evolution of the organic porous network is key. Here, we propose an experimental procedure to study the interplay between the chemical evolution and the structural properties of the organic porous network at the nanometer scale. First, the organic porous networks of source rock samples, covering a significant range of natural thermal maturation experienced by the Vaca Muerta formation (Neuquén Basin, Argentina), are physically reconstructed using bright-field electron tomography. Their structural description allows us to measure crucial parameters such as the porosity, specific pore volume and surface area, aperture and cavity size distributions, and constriction. In addition, a model-free computation of the topological properties (effective porosity, connectivity, and tortuosity) is conducted. Overall, we document a general increase of the specific pore volume with thermal maturation. This controls the topological features depicting increasing accessibility to alkane molecules, sensed by the evolution of the effective porosity. Collectively, our results highlight the input of bright-field electron tomography in the study of complex disordered amorphous porous media, especially to describe the interplay between the structural features and transport properties of confined fluids
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|a Journal Article
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1 |
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|a Grauby, Olivier
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jolivet, Isabelle C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gelin, François
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chanut, Nicolas
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Magnin, Yann
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pellenq, Roland J-M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ferry, Daniel
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 37(2021), 18 vom: 11. Mai, Seite 5464-5474
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
8 |
|g volume:37
|g year:2021
|g number:18
|g day:11
|g month:05
|g pages:5464-5474
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|u http://dx.doi.org/10.1021/acs.langmuir.0c03519
|3 Volltext
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|d 37
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|e 18
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|h 5464-5474
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