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The behavior of H (sub 2) in aqueous fluids under high temperature and pressure

Elena F. Bazarkina, Chou I-Ming, Alexander F. Goncharov and Nikolay N. Akinfiev
The behavior of H (sub 2) in aqueous fluids under high temperature and pressure
Elements (February 2020) 16 (1): 33-38


The presence of H (sub 2) and H (sub 2) O in planetary interiors prompts the need for fundamental studies on these compounds under corresponding conditions. Here, we summarize data on H (sub 2) properties in aqueous systems under conditions of high temperature and pressure. We explain how to measure important H (sub 2) fugacities in hydrothermal systems. We present available experimental data and thermodynamic models for H (sub 2) solubility and vapor-liquid partitioning under hydrothermal conditions. In addition, we introduce the fascinating world of H (sub 2) -H (sub 2) O clathrate hydrates under extreme temperatures and pressures. The properties of the H (sub 2) -H (sub 2) O system are well established below the critical point of water (374 degrees C and 22.06 MPa), but far less is known under higher temperatures and pressures, or the effect of salt.

ISSN: 1811-5209
Serial Title: Elements
Serial Volume: 16
Serial Issue: 1
Title: The behavior of H (sub 2) in aqueous fluids under high temperature and pressure
Affiliation: Centre National de la Recherche Scientifique, Institute Neel, Grenoble, France
Pages: 33-38
Published: 202002
Text Language: English
Publisher: Mineralogical Society of America and Mineralogical Society of Great Britain and Ireland and Mineralogical Association of Canada and Geochemical Society and Clay Minerals Society, International
References: 29
Accession Number: 2020-039321
Categories: General geochemistry
Document Type: Serial
Bibliographic Level: Analytic
Annotation: Part of a special section entitled Abiotic hydrogen and hydrocarbons in planetary lithospheres, edited by Truche, Laurent, McCollom, Thomas M. and Martinez, Isabelle
Illustration Description: illus.
Secondary Affiliation: Chinese Academy of Sciences, CHN, ChinaCarnegie Institution of Washington, USA, United StatesRussian Academy of Sciences, Institute of Geology of Ore Deposits, Petrography, Mineralogy and Biochemistry, RUS, Russian Federation
Country of Publication: International
Secondary Affiliation: GeoRef, Copyright 2020, American Geosciences Institute. Abstract, copyright, Mineralogical Society of America. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 2020
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