Articles | Volume 11, issue 7
Atmos. Meas. Tech., 11, 4413–4433, 2018
https://doi.org/10.5194/amt-11-4413-2018
Atmos. Meas. Tech., 11, 4413–4433, 2018
https://doi.org/10.5194/amt-11-4413-2018

Research article 25 Jul 2018

Research article | 25 Jul 2018

A novel semi-direct method to measure OH reactivity by chemical ionization mass spectrometry (CIMS)

Jennifer B. A. Muller et al.

Data sets

Comparison of OH reactivity mea- surements in the atmospheric simulation chamber SAPHIR H. Fuchs et al. https://doi.org/10.5194/amt-10-4023-2017

Download
Short summary
The hydroxyl radical (OH) largely controls tropospheric trace gas removal and the inverse of OH lifetime, OH reactivity, is a useful measure to investigate the oxidation capacity of the atmosphere. This paper presents a novel method to measure OH reactivity using an operational chemical ionization mass spectrometer (CIMS) for OH measurements at the GAW site Hohenpeissenberg, Germany. It includes the analysis of measurement uncertainties and demonstrates its suitability for long-term monitoring.