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Cited by 487

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Levoglucosan stability in biomass burning particles exposed to hydroxyl radicals

Hennigan, Christopher J., Sullivan, Amy P., Collett, Jeffrey L., Robinson, Allen L.·2010·Geophysical Research Letters

Abstract

Experiments were carried out in a smog chamber to investigate the oxidation of levoglucosan in biomass burning particles exposed to gas‐phase hydroxyl radicals (OH). The experiments featured atmospherically‐relevant particle and oxidant concentrations and both high and low relative humidity conditions. In every experiment, we observed levoglucosan decay in particles exposed to OH. The extent of decay ranged from ∼20% to ∼90% and was strongly correlated to the integrated OH exposure. Increased relative humidity did not enhance or impede reaction. Relative kinetics indicate that levoglucosan has an atmospheric lifetime of 0.7–2.2 days when biomass burning particles are exposed to 1 × 10 6 molecules cm−3 of OH (typical average summertime conditions). This implies that levoglucosan reacts with OH on a timescale similar to that of transport and deposition, which has important implications for the use of levoglucosan as a tracer for biomass burning emissions in source apportionment studies.

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Metadata

Authors
Hennigan, C. J., Sullivan, A. P., Collett, J. L., & Robinson, A. L.
Venue
Geophysical Research Letters
Published
2010-05
Volume
37
Issue
9
ISSN
  • 0094-8276 (ISSN-L)
  • 1944-8007
OpenAlex
W2097836207
Cited by
487
References
1
FWCI
20.57
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Levoglucosan stability in biomass burning particles exposed to hydroxyl radicals. https://app.cochat.ai/papers/10.1029/2010gl043088
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Hennigan, C. J., Sullivan, A. P., Collett, J. L., & Robinson, A. L. (2010). Levoglucosan stability in biomass burning particles exposed to hydroxyl radicals. Geophysical Research Letters. https://doi.org/10.1029/2010gl043088

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