Articles | Volume 8, issue 4
Atmos. Meas. Tech., 8, 1835–1862, 2015

Special issue: Marine trace gases and aerosols over tropical oceans (AMT/ACP...

Atmos. Meas. Tech., 8, 1835–1862, 2015

Research article 23 Apr 2015

Research article | 23 Apr 2015

Instrument intercomparison of glyoxal, methyl glyoxal and NO2 under simulated atmospheric conditions

R. Thalman et al.

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Cited articles

Ahlm, L., Liu, S., Day, D. A., Russell, L. M., Weber, R., Gentner, D. R., Goldstein, A. H., DiGangi, J. P., Henry, S. B., Keutsch, F. N., VandenBoer, T. C., Markovic, M. Z., Murphy, J. G., Ren, X., and Scheller, S.: Formation and growth of ultrafine particles from secondary sources in Bakersfield, California, J. Geophys. Res., 117, D00V08,, 2012.
Alvarez, E. G. and Valcárcel, M.: Research into conditions of quantitivity in the determination of carboniles in complex air matrices by adsorptive solid phase microextraction, Talanta, 77, 1444–1453, 2009.
Baidar, S., Oetjen, H., Coburn, S., Dix, B., Ortega, I., Sinreich, R., and Volkamer, R.: The CU Airborne MAX-DOAS instrument: vertical profiling of aerosol extinction and trace gases, Atmos. Meas. Tech., 6, 719–739,, 2013.
Baker, J., Arey, J., and Atkinson, R.: Formation and reaction of hydroxycarbonyls from the reaction of OH radicals with 1,3-butadiene and isoprene, Environ. Sci. Technol., 39, 4091–4099, 2005.
Ball, S. M., Hollingsworth, A. M., Humbles, J., Leblanc, C., Potin, P., and McFiggans, G.: Spectroscopic studies of molecular iodine emitted into the gas phase by seaweed, Atmos. Chem. Phys., 10, 6237–6254,, 2010.
Short summary
Measurements of α-dicarbonyl compounds, like glyoxal (CHOCHO) and methyl glyoxal (CH3C(O)CHO), are informative about the rate of hydrocarbon oxidation, oxidative capacity, and secondary organic aerosol (SOA) formation in the atmosphere. We have compared nine instruments and seven techniques to measure α-dicarbonyl, using simulation chamber facilities in the US and Europe. We assess our understanding of calibration, precision, accuracy and detection limits, as well as possible sampling biases.