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Adsorption isotherms of acetone on ice between 193 and 213 K

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Zeitschriftentitel: Geophysical Research Letters
Personen und Körperschaften: Dominé, Florent, Rey‐Hanot, Laurence
In: Geophysical Research Letters, 29, 2002, 18
Medientyp: E-Article
Sprache: Englisch
veröffentlicht:
American Geophysical Union (AGU)
Schlagwörter:
author_facet Dominé, Florent
Rey‐Hanot, Laurence
Dominé, Florent
Rey‐Hanot, Laurence
author Dominé, Florent
Rey‐Hanot, Laurence
spellingShingle Dominé, Florent
Rey‐Hanot, Laurence
Geophysical Research Letters
Adsorption isotherms of acetone on ice between 193 and 213 K
General Earth and Planetary Sciences
Geophysics
author_sort dominé, florent
spelling Dominé, Florent Rey‐Hanot, Laurence 0094-8276 1944-8007 American Geophysical Union (AGU) General Earth and Planetary Sciences Geophysics http://dx.doi.org/10.1029/2002gl015078 <jats:p>The adsorption isotherms of acetone on ice were measured at 193, 203 and 213 K using a volumetric method with mass spectrometric detection. Henry's law applies for values of the acetone partial pressure, P<jats:sub>acetone</jats:sub>, lower than 10<jats:sup>−3</jats:sup> Pa. Where Henry's law applies, the number of acetone molecules adsorbed per cm<jats:sup>2</jats:sup> of ice, is: n<jats:sub>ads</jats:sub> = 90.53 × P<jats:sub>acetone</jats:sub> × exp (6610.2/T), with P<jats:sub>acetone</jats:sub> in Pa and T in K. The measured enthalpy of adsorption of acetone on ice is ΔH<jats:sub>ads</jats:sub> = −55±7 kJ/mol. Acetone values previously measured in Arctic snow are too high to be due to adsorbed acetone. Acetone was then probably dissolved in ice or in organic aerosols contained in snow. Adsorption of acetone in the snowpack or on ice crystals in cirrus clouds is insufficient to affect P<jats:sub>acetone</jats:sub> above the snow or in the clouds.</jats:p> Adsorption isotherms of acetone on ice between 193 and 213 K Geophysical Research Letters
doi_str_mv 10.1029/2002gl015078
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title Adsorption isotherms of acetone on ice between 193 and 213 K
title_unstemmed Adsorption isotherms of acetone on ice between 193 and 213 K
title_full Adsorption isotherms of acetone on ice between 193 and 213 K
title_fullStr Adsorption isotherms of acetone on ice between 193 and 213 K
title_full_unstemmed Adsorption isotherms of acetone on ice between 193 and 213 K
title_short Adsorption isotherms of acetone on ice between 193 and 213 K
title_sort adsorption isotherms of acetone on ice between 193 and 213 k
topic General Earth and Planetary Sciences
Geophysics
url http://dx.doi.org/10.1029/2002gl015078
publishDate 2002
physical
description <jats:p>The adsorption isotherms of acetone on ice were measured at 193, 203 and 213 K using a volumetric method with mass spectrometric detection. Henry's law applies for values of the acetone partial pressure, P<jats:sub>acetone</jats:sub>, lower than 10<jats:sup>−3</jats:sup> Pa. Where Henry's law applies, the number of acetone molecules adsorbed per cm<jats:sup>2</jats:sup> of ice, is: n<jats:sub>ads</jats:sub> = 90.53 × P<jats:sub>acetone</jats:sub> × exp (6610.2/T), with P<jats:sub>acetone</jats:sub> in Pa and T in K. The measured enthalpy of adsorption of acetone on ice is ΔH<jats:sub>ads</jats:sub> = −55±7 kJ/mol. Acetone values previously measured in Arctic snow are too high to be due to adsorbed acetone. Acetone was then probably dissolved in ice or in organic aerosols contained in snow. Adsorption of acetone in the snowpack or on ice crystals in cirrus clouds is insufficient to affect P<jats:sub>acetone</jats:sub> above the snow or in the clouds.</jats:p>
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author Dominé, Florent, Rey‐Hanot, Laurence
author_facet Dominé, Florent, Rey‐Hanot, Laurence, Dominé, Florent, Rey‐Hanot, Laurence
author_sort dominé, florent
container_issue 18
container_start_page 0
container_title Geophysical Research Letters
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description <jats:p>The adsorption isotherms of acetone on ice were measured at 193, 203 and 213 K using a volumetric method with mass spectrometric detection. Henry's law applies for values of the acetone partial pressure, P<jats:sub>acetone</jats:sub>, lower than 10<jats:sup>−3</jats:sup> Pa. Where Henry's law applies, the number of acetone molecules adsorbed per cm<jats:sup>2</jats:sup> of ice, is: n<jats:sub>ads</jats:sub> = 90.53 × P<jats:sub>acetone</jats:sub> × exp (6610.2/T), with P<jats:sub>acetone</jats:sub> in Pa and T in K. The measured enthalpy of adsorption of acetone on ice is ΔH<jats:sub>ads</jats:sub> = −55±7 kJ/mol. Acetone values previously measured in Arctic snow are too high to be due to adsorbed acetone. Acetone was then probably dissolved in ice or in organic aerosols contained in snow. Adsorption of acetone in the snowpack or on ice crystals in cirrus clouds is insufficient to affect P<jats:sub>acetone</jats:sub> above the snow or in the clouds.</jats:p>
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imprint American Geophysical Union (AGU), 2002
imprint_str_mv American Geophysical Union (AGU), 2002
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spelling Dominé, Florent Rey‐Hanot, Laurence 0094-8276 1944-8007 American Geophysical Union (AGU) General Earth and Planetary Sciences Geophysics http://dx.doi.org/10.1029/2002gl015078 <jats:p>The adsorption isotherms of acetone on ice were measured at 193, 203 and 213 K using a volumetric method with mass spectrometric detection. Henry's law applies for values of the acetone partial pressure, P<jats:sub>acetone</jats:sub>, lower than 10<jats:sup>−3</jats:sup> Pa. Where Henry's law applies, the number of acetone molecules adsorbed per cm<jats:sup>2</jats:sup> of ice, is: n<jats:sub>ads</jats:sub> = 90.53 × P<jats:sub>acetone</jats:sub> × exp (6610.2/T), with P<jats:sub>acetone</jats:sub> in Pa and T in K. The measured enthalpy of adsorption of acetone on ice is ΔH<jats:sub>ads</jats:sub> = −55±7 kJ/mol. Acetone values previously measured in Arctic snow are too high to be due to adsorbed acetone. Acetone was then probably dissolved in ice or in organic aerosols contained in snow. Adsorption of acetone in the snowpack or on ice crystals in cirrus clouds is insufficient to affect P<jats:sub>acetone</jats:sub> above the snow or in the clouds.</jats:p> Adsorption isotherms of acetone on ice between 193 and 213 K Geophysical Research Letters
spellingShingle Dominé, Florent, Rey‐Hanot, Laurence, Geophysical Research Letters, Adsorption isotherms of acetone on ice between 193 and 213 K, General Earth and Planetary Sciences, Geophysics
title Adsorption isotherms of acetone on ice between 193 and 213 K
title_full Adsorption isotherms of acetone on ice between 193 and 213 K
title_fullStr Adsorption isotherms of acetone on ice between 193 and 213 K
title_full_unstemmed Adsorption isotherms of acetone on ice between 193 and 213 K
title_short Adsorption isotherms of acetone on ice between 193 and 213 K
title_sort adsorption isotherms of acetone on ice between 193 and 213 k
title_unstemmed Adsorption isotherms of acetone on ice between 193 and 213 K
topic General Earth and Planetary Sciences, Geophysics
url http://dx.doi.org/10.1029/2002gl015078