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Br- catalysed production of atomic Cl in the presence of seaspray aerosol, light and ozone

A contribution to subproject HALIPP

Borrell, P.M.; Borrell, P.; Kelly, K.; Cvitas, T.; Seiler, W. ; Fraunhofer-Institut für Atmosphärische Umweltforschung -IFU-, Garmisch-Partenkirchen; EUREKA, Project EUROTRAC, International Scientific Secretariat -ISS-, Garmisch-Partenkirchen:
Transport and transformation of pollutants in the troposphere. Proceedings of EUROTRAC Symposium '96. Vol. 1: Clouds, aerosols, modelling and photo-oxidants
Southampton: Computational Mechanics Publications, 1997
ISBN: 1-85312-495-8
ISBN: 1-85312-496-6
EUROTRAC Symposium <4, 1996, Garmisch-Partenkirchen>
Conference Paper
Fraunhofer ITA ( ITEM) ()
aerosol; air pollution; atmospheric chemistry; bromine; bromine compound; chlorine; chlorine compound; environmental chemistry; ozone; photochemical degradation; photochemistry; sea spray; smog chamber; theoretical chemistry; troposphere

Conclusions: Investigating the components of seaspray in the present aerosol smog chamber experiments on the production of atomic Cl we found that Br- is a key species in this complex process. The precursors of atomic Cl are produced in the presence of an aerosol containing NaCl and NaBr at the typical ratio of seawater ((NaBr)/(NaCl)) = 1/600). The simultaneous presence of light and ozone is required.