Laboratory measurement of the pH profile near a vapor-water interface
We have begun a novel set of experiments to observe the pH profile near the vapor-water and vapor-ice interface as a function of growth and sublimation rate and, in the case of ice, also as a function of surface morphology. The temperature and humidity controlled sample is held in a optical cryostat...
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| Veröffentlicht in: | Bulletin of the American Physical Society 2004-03, Vol.49 (1) |
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| container_title | Bulletin of the American Physical Society |
| container_volume | 49 |
| creator | Swanson, Brian D Wilson, C Brant |
| description | We have begun a novel set of experiments to observe the pH profile near the vapor-water and vapor-ice interface as a function of growth and sublimation rate and, in the case of ice, also as a function of surface morphology. The temperature and humidity controlled sample is held in a optical cryostat while the ion concentration is measured as a function of depth into the sample using a confocal microscope. Ion concentrations are determined from a combination of Raman spectroscopy and UV fluorescence spectroscopy using a specialized molecular probe whose fluorescence spectrum depends on pH. Initial results for the pH profile near a vapor-water interface will be shown. |
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| ispartof | Bulletin of the American Physical Society, 2004-03, Vol.49 (1) |
| issn | 0003-0503 |
| language | eng |
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| source | Alma/SFX Local Collection |
| title | Laboratory measurement of the pH profile near a vapor-water interface |
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