Articles | Volume 9, issue 12
Atmos. Meas. Tech., 9, 5763–5779, 2016
https://doi.org/10.5194/amt-9-5763-2016
Atmos. Meas. Tech., 9, 5763–5779, 2016
https://doi.org/10.5194/amt-9-5763-2016

Research article 01 Dec 2016

Research article | 01 Dec 2016

Measuring OVOCs and VOCs by PTR-MS in an urban roadside microenvironment of Hong Kong: relative humidity and temperature dependence, and field intercomparisons

Long Cui et al.

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Short summary
In this manuscript, the effect of ambient RH and T on HCHO measurements by PTR-MS was investigated, and the Poly 2-D regression was found to be a good nonlinear surface simulation of R (RH, T) for correcting measured HCHO concentration. Intercomparisons between PTR-MS and other OVOC and VOC measuring techniques were conducted through a field study in urban roadside areas of Hong Kong primarily, and good agreements were found between these different techniques.