Articles | Volume 13, issue 5
https://doi.org/10.5194/amt-13-2577-2020
https://doi.org/10.5194/amt-13-2577-2020
Research article
 | 
20 May 2020
Research article |  | 20 May 2020

Airborne measurement of peroxy radicals using chemical amplification coupled with cavity ring-down spectroscopy: the PeRCEAS instrument

Midhun George, Maria Dolores Andrés Hernández, Vladyslav Nenakhov, Yangzhuoran Liu, and John Philip Burrows

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Latest update: 13 Jun 2024
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Short summary
The accurate measurement of peroxy radicals is essential for understanding the chemistry of air masses probed in the free troposphere. The PeRCEAS instrument has been designed, developed and thoroughly characterised for the measurement of the total sum of peroxy radicals (RO2*) aboard airborne platforms. Parameters expected to affect the precision and accuracy of the measurement have been investigated in detail.