Articles | Volume 12, issue 9
Atmos. Meas. Tech., 12, 4779–4789, 2019
https://doi.org/10.5194/amt-12-4779-2019
Atmos. Meas. Tech., 12, 4779–4789, 2019
https://doi.org/10.5194/amt-12-4779-2019

Research article 06 Sep 2019

Research article | 06 Sep 2019

Determination of n-alkanes, polycyclic aromatic hydrocarbons and hopanes in atmospheric aerosol: evaluation and comparison of thermal desorption GC-MS and solvent extraction GC-MS approaches

Meng Wang et al.

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Interactive discussion

Status: closed
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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Ru-Jin Huang on behalf of the Authors (12 Jul 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (15 Jul 2019) by Pierre Herckes
RR by Anonymous Referee #3 (30 Jul 2019)
RR by Anonymous Referee #4 (12 Aug 2019)
ED: Publish as is (12 Aug 2019) by Pierre Herckes
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Short summary
The analytical performances of SE-GC-MS and TD-GC-MS for the determination of n-alkanes, PAHs and hopanes were evaluated and compared. The two methods show a good agreement with a high correlation efficient (R2 > 0.98) and a slope close to unity. The concentrations of n-alkanes, PAHs and hopanes are found to be much higher in Beijing than those in Chengdu, Shanghai and Guangzhou, most likely due to emissions from coal combustion for wintertime heating in Beijing.