ISIS Neutron and Muon Source Data Journal

Heterogenous reactions between gas-phase hydroxyl radicals and organic films at the air-water interafce of an atmospheric droplet

Abstract: Projected climate change is strongly influenced by clouds. The oxidative processing of pollutants in clouds affects droplet size and reflectivity, important climatic effects. Clouds contain naturally occurring lipids forming films on the droplet. Oxidation and removal of this film can prevent precipitation and cause cloud evaporation. Oxidation by gas-phase hydroxyl radical will be contrasted with aqueous phase hydroxyl radical. We will study the kinetics of hydroxyl radicals with a proxy film DSPC at the air-water interface. Specifically, (a) is aqueous oxidation from below the film faster or slower than gas-phase oxidation from above, (b) estimate the atmospheric lifetime of thin film at the air-water interface of aerosol with respect to gas-phase hydroxyl radical oxidation. Provide initial kinetics estimate for further experiment of optically levitated aerosol at LSF-RAL.

Experimenter: Dr Andy Ward
Experimenter: Dr Arwel Hughes
Experimenter: Professor Martin King
Local Contact: Dr Maxmilian Skoda
Experimenter: Miss Rosalie Shepherd
Experimenter: Professor Adrian Rennie

DOI: 10.5286/ISIS.E.RB1520410

ISIS Experiment Number: RB1520410

Publisher: STFC ISIS Neutron and Muon Source

Data format: RAW/Nexus
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Data Citation

The recommended format for citing this dataset in a research publication is as:
[author], [date], [title], [publisher], [doi]

For Example:
Dr Andy Ward et al; (2015): Heterogenous reactions between gas-phase hydroxyl radicals and organic films at the air-water interafce of an atmospheric droplet, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB1520410

Data is released under the CC-BY-4.0 license.