Equilibrium Vapor Pressure of H2O above Aqueous H2SO4 at Low Temperature

Equilibrium Vapor Pressure of H2O above Aqueous H2SO4 at Low Temperature

Equilibrium partial pressures of water (p(H2O)) over solutions of (5.054 to 26.18) mol kg-1 H2SO4 from (314.2 to 196.5) K have been determined using capacitance manometers in order to (1) obtain data for compositions relevant to the stratospheric aerosol and (2) extend and test present knowledge of...

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Veröffentlicht in:Journal of chemical and engineering data 1996-07, Vol.41 (4), p.765-778
Hauptverfasser: Massucci, Mario, Clegg, Simon L, Brimblecombe, Peter
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Sprache:eng
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Chemistry
Exact sciences and technology
General and physical chemistry
Liquid-vapor equilibria
Phase equilibria
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container_title Journal of chemical and engineering data
container_volume 41
creator Massucci, Mario
Clegg, Simon L
Brimblecombe, Peter
description Equilibrium partial pressures of water (p(H2O)) over solutions of (5.054 to 26.18) mol kg-1 H2SO4 from (314.2 to 196.5) K have been determined using capacitance manometers in order to (1) obtain data for compositions relevant to the stratospheric aerosol and (2) extend and test present knowledge of the thermodynamic properties of aqueous H2SO4 at low temperature. Current approaches to calculating p(H2O) from existing thermodynamic data are critically examined and compared to measurements made in this study and others in the literature. The reliability (to within about ±10% at the lowest temperatures) of predictions of p(H2O) using liquid phase thermodynamic properties determined by Giauque and co-workers is confirmed for solutions from 4.37 mol kg-1 to at least 25 mol kg-1.
doi_str_mv 10.1021/je950310a
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Current approaches to calculating p(H2O) from existing thermodynamic data are critically examined and compared to measurements made in this study and others in the literature. The reliability (to within about ±10% at the lowest temperatures) of predictions of p(H2O) using liquid phase thermodynamic properties determined by Giauque and co-workers is confirmed for solutions from 4.37 mol kg-1 to at least 25 mol kg-1.</description><identifier>ISSN: 0021-9568</identifier><identifier>EISSN: 1520-5134</identifier><identifier>DOI: 10.1021/je950310a</identifier><identifier>CODEN: JCEAAX</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Chemistry ; Exact sciences and technology ; General and physical chemistry ; Liquid-vapor equilibria ; Phase equilibria</subject><ispartof>Journal of chemical and engineering data, 1996-07, Vol.41 (4), p.765-778</ispartof><rights>Copyright © 1996 American Chemical Society</rights><rights>1996 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/je950310a$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/je950310a$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>315,781,785,27081,27929,27930,56743,56793</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=3163840$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Massucci, Mario</creatorcontrib><creatorcontrib>Clegg, Simon L</creatorcontrib><creatorcontrib>Brimblecombe, Peter</creatorcontrib><title>Equilibrium Vapor Pressure of H2O above Aqueous H2SO4 at Low Temperature</title><title>Journal of chemical and engineering data</title><addtitle>J. Chem. Eng. Data</addtitle><description>Equilibrium partial pressures of water (p(H2O)) over solutions of (5.054 to 26.18) mol kg-1 H2SO4 from (314.2 to 196.5) K have been determined using capacitance manometers in order to (1) obtain data for compositions relevant to the stratospheric aerosol and (2) extend and test present knowledge of the thermodynamic properties of aqueous H2SO4 at low temperature. Current approaches to calculating p(H2O) from existing thermodynamic data are critically examined and compared to measurements made in this study and others in the literature. 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The reliability (to within about ±10% at the lowest temperatures) of predictions of p(H2O) using liquid phase thermodynamic properties determined by Giauque and co-workers is confirmed for solutions from 4.37 mol kg-1 to at least 25 mol kg-1.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/je950310a</doi><tpages>14</tpages></addata></record>
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subjects Chemistry
Exact sciences and technology
General and physical chemistry
Liquid-vapor equilibria
Phase equilibria
title Equilibrium Vapor Pressure of H2O above Aqueous H2SO4 at Low Temperature
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