Articles | Volume 18, issue 10
Atmos. Chem. Phys., 18, 7527–7537, 2018
https://doi.org/10.5194/acp-18-7527-2018
Atmos. Chem. Phys., 18, 7527–7537, 2018
https://doi.org/10.5194/acp-18-7527-2018
Research article
30 May 2018
Research article | 30 May 2018

Gas chromatography using ice-coated fused silica columns: study of adsorption of sulfur dioxide on water ice

Stefan Langenberg and Ulrich Schurath

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Short summary
The processes of the interaction of sulfur dioxide with water ice are still not fully understood. We demonstrate how the well established technique of gas chromatography can be used to investigate interactions of sulfur dioxide with a crystalline ice film deposited in a fused silica wide bore column. Our experiments reveal that the interaction is a combination of three processes: (i) physisorption, (ii) dissociative reaction with water and (iii) slow uptake into bulk ice.
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