| A high-pressure cell for kinetic studies on gas hydrates by powder x-ray diffraction. | |
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MedLine Citation:
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PMID: 21198049 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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A new high-pressure-low-temperature cell was developed for in situ observations of gas hydrates by powder x-ray diffraction. The experimental setup allows investigating hydrate formation and dissociation as well as transformation processes between different hydrate crystal structures as a function of pressure, temperature, and feed gas composition. Due to a continuous gas flow, the composition of the gas phase is kept constant during the whole experiment. This is crucial for the formation of mixed hydrates formed from feed gas mixtures that contain one or more components in low concentrations. The pressure cell can be used in a pressure range between 0.1 and 4.0 MPa and a temperature range between 248 and 298 K. First results of time-resolved measurements of a mixed structure II CH(4) + iso-C(4)H(10) hydrate and a structure I CO(2) hydrate are presented. |
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Authors:
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Manja Luzi; Matthias Girod; Rudolf Naumann; Judith M Schicks; Jörg Erzinger |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Review of scientific instruments Volume: 81 ISSN: 1089-7623 ISO Abbreviation: Rev Sci Instrum Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2011-01-04 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0405571 Medline TA: Rev Sci Instrum Country: United States |
Other Details:
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Languages: eng Pagination: 125105 Citation Subset: - |
Affiliation:
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Helmholtz-Centre Potsdam, German Research Centre for Geosciences (GFZ), Telegrafenberg, D-14473 Potsdam, Germany. mluzi@gfz-potsdam.de |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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