Nitric acid during MCMA 2006

Measurements of HNO3 and N2O5 using Ion drift – Chemical Ionization Mass Spectrometry during the MCMA – 2006 Campaign J. Zheng, R. Zhang, E. C. Fortner, L. Molina, A. C. Aiken, J. L. Jimenez, K. Gäggeler, J. Dommen, S. Dusanter, P. S .Stevens, and X. Tie Dept. Atmospheric Sciences, Texas A & M University, College Station, Texas 77843, TX, USA Molina Center for Energy and the Environment, La Jolla, CA, USA Dept. Chemistry and Biochemistry, University of Colorado, Boulder, CO, USA Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, 5232 Villigen, Switzerland Dept. Chemistry, Indiana University, Bloomington, IN, USA Atmospheric Chemistry Division, National Center for Atmospheric Research, Boulder, CO, USA now at: Dept. Chemistry and Biochemistry, Montana State University, Bozeman, MT, USA Received: 18 January 2008 – Accepted: 22 January 2008 – Published: 6 March 2008 Correspondence to: R. Zhang ([email protected]) Published by Copernicus Publications on behalf of the European Geosciences Union.