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Measurements of gas‐phase inorganic and organic acids from biomass fires by negative‐ion proton‐transfer chemical‐ionization mass spectrometry

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Veres, Patrick, Roberts, James M., Burling, Ian R., Warneke, Carsten, de Gouw, Joost, Yokelson, Robert J.·2010·Journal of Geophysical Research: Atmospheres

Abstract

Emissions from 34 laboratory biomass fires were investigated at the combustion facility of the U.S. Department of Agriculture Fire Sciences Laboratory in Missoula, Montana. Gas‐phase organic and inorganic acids were quantified using negative‐ion proton‐transfer chemical‐ionization mass spectrometry (NI‐PT‐CIMS), open‐path Fourier transform infrared spectroscopy (OP‐FTIR), and proton‐transfer‐reaction mass spectrometry (PTR‐MS). NI‐PT‐CIMS is a novel technique that measures the mass‐to‐charge ratio (m/z) of ions generated from reactions of acetate (CH 3 C(O)O−) ions with inorganic and organic acids. The emission ratios for various important reactive acids with respect to CO were determined. Emission ratios for isocyanic acid (HNCO), 1,2 and 1,3‐benzenediols (catechol, resorcinol), nitrous acid (HONO), acrylic acid, methacrylic acid, propionic acid, formic acid, pyruvic acid, and glycolic acid were measured from biomass burning. Our measurements show that there is a significant amount of HONO in fresh smoke. The NI‐PT‐CIMS measurements were validated by comparison with OP‐FTIR measurements of HONO and formic acid (HCOOH) and with PTR‐MS measurements of HCOOH.

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Metadata

Authors
Veres, P., Roberts, J. M., Burling, I. R., Warneke, C., de Gouw, J., & Yokelson, R. J.
Venue
Journal of Geophysical Research: Atmospheres
Published
2010-12-03
Volume
115
Issue
D23
ISSN
0148-0227 (ISSN-L)
OpenAlex
W2012462044
Cited by
193
References
2
FWCI
5.51
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Measurements of gas‐phase inorganic and organic acids from biomass fires by negative‐ion proton‐transfer chemical‐ionization mass spectrometry. https://app.cochat.ai/papers/10.1029/2010jd014033
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Veres, P., Roberts, J. M., Burling, I. R., Warneke, C., de Gouw, J., & Yokelson, R. J. (2010). Measurements of gas‐phase inorganic and organic acids from biomass fires by negative‐ion proton‐transfer chemical‐ionization mass spectrometry. Journal of Geophysical Research: Atmospheres. https://doi.org/10.1029/2010jd014033

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