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An intercomparison of HO2 measurements by fluorescence assay by gas expansion and cavity ring–down spectroscopy within HIRAC (Highly Instrumented Reactor for Atmospheric Chemistry)

Abstract:

The HO2 radical was monitored simultaneously using two independent techniques in the Leeds HIRAC atmospheric simulation chamber at room temperature and total pressures of 150 mbar and 1000 mbar of synthetic air. In the first method, HO2 was measured indirectly following sampling through a pinhole expansion to 3 mbar when sampling from 1000 mbar and 1 mbar when sampling from 150 mbar, with subsequent addition of NO to convert it to OH which was detected via laser-induced fluorescence spectrosc...

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Publication status:
Published
Peer review status:
Not peer reviewed
Version:
Publisher's version

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Publisher copy:
10.5194/amt-2017-268

Authors


Brennan, A More by this author
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry; Physical & Theoretical Chem
Lawry Aguila, A More by this author
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Publisher:
European Geosciences Union Publisher's website
Journal:
Atmospheric Measurement Techniques Discussions Journal website
Publication date:
2017-07-31
Acceptance date:
2017-07-28
DOI:
ISSN:
1867-8610
Pubs id:
pubs:742616
URN:
uri:8ac52da7-e9a8-4fa5-b370-28a48cb46ada
UUID:
uuid:8ac52da7-e9a8-4fa5-b370-28a48cb46ada
Local pid:
pubs:742616

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