Technical Note : Measuring tropospheric OH and HO 2 by laser-induced fluorescence at low pressure – a comparison of calibration techniques

  title={Technical Note : Measuring tropospheric OH and HO 2 by laser-induced fluorescence at low pressure – a comparison of calibration techniques},
  author={S{\'e}bastien Dusanter and Deepali Vimal and Philip S. Stevens},
The hydroxyl radical (OH) is one of the most important oxidants in the atmosphere, as it is involved in many reactions that affect regional air quality and global climate change. Because of its high reactivity, measurements of OH radical concentrations in the atmosphere are difficult, and often require careful calibrations that rely on the production of a known concentration of OH at atmospheric pressure. The Indiana University OH instrument, based on the Fluorescence Assay by Gas Expansion… CONTINUE READING


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