Articles | Volume 10, issue 6
Atmos. Meas. Tech., 10, 2253–2269, 2017
https://doi.org/10.5194/amt-10-2253-2017
Atmos. Meas. Tech., 10, 2253–2269, 2017
https://doi.org/10.5194/amt-10-2253-2017

Research article 15 Jun 2017

Research article | 15 Jun 2017

Use of a heated graphite scrubber as a means of reducing interferences in UV-absorbance measurements of atmospheric ozone

Andrew A. Turnipseed et al.

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Cited articles

Avnery, S., Mauzerall, D. L., Liu, J., and Horowitz, L. W.: Global crop yield reductions due to surface ozone exposure: 1. Year 2000 crop production losses and economic damage, Atmos. Environ., 45, 2284–2296, 2011.
Bernardo-Bricker, A., Farmer, C. Milne, P., Riemer, D., Zika, R., and Stoneking, C.: Validation of speciated nonmethane hydrocarbon compound data collected during the 1992 Atlanta Intensive as part of the Southern Oxidants Study, J. Air Waste Manage., 45, 591–603, 1995.
Birks, J. W., Williford, C. J., and Andersen, P. C.: Use of a Broad Band UV Light Source for Reducing the Mercury Interference in Ozone Measurements, U.S. Patent Application US 2009/0302230 A1, US Patent and Trademark Office, Washington, D.C., USA, 2009.
Birks, J. W., Andersen, P. C., and Williford, C. J.: Ozone monitor with gas-phase scrubber, U.S. Patent US 8,395,776 B2, US Patent and Trademark Office, Washington, D.C., USA, 2013.
Birks, J. W., Turnipseed, A. A., Andersen, P. C., and Williford, C. J.: Heated Graphite Scrubber to Reduce Interferences in Ozone Monitors, U.S. Patent US 2016/0025696 A1, US Patent and Trademark Office, Washington, D.C., USA, 2016.
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Short summary
We investigated a new solid-phase scrubber for use in conventional ozone UV-absorption photometers. A heated graphite scrubber efficiently removed ozone and was less susceptible to interference from water vapor, mercury vapor, and aromatic hydrocarbons compared to conventional metal oxide scrubbers. Reducing interferences from these atmospheric species in conventional ozone photometers could lead to more accurate ozone measurements in compliance monitoring or for indoor air quality.