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No Evidence for S Isotope Fractionation During SO 2 Oxidation at a Continental Location
Journal of Undergraduate Research in Alberta
S ulfur isotope fractionation during SO 2 oxidation has been shown to occur in laboratory experiments 1 but this has not been observed in whole air samples 2. Here we replicate the laboratory experiments in a systematic manner using ambient air. Particulate matter and SO 2 in ambient air were collected at Calgary in the Fall of 2012 using high volume samplers and impingers. Atmospheric SO 2 and SO 4 concentrations and isotope characteristics were determined. Variations in the concentration offatcat:rklewffyhbf5fpehwiqqwdeydi