Contribution of organosulfur compounds to organic aerosol mass.
作者： Michael P. Tolocka , Barbara Turpin
DOI: 10.1021/ES300651V
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摘要: Organosulfates have been proposed as products of secondary organic aerosol formation. While organosulfates identified in ambient samples, a question remains to the magnitude their contribution particulate mass. At same time, discrepancies observed between total sulfur measured by X-ray fluorescence (XRF) spectroscopy and present inorganic sulfate ion chromatography (IC) fine matter. These differences could be attributed measurement bias and/or other compounds, including organosulfates. Using National Park Service IMPROVE PM2.5 database, we examined disparity measurements at 12 sites across United States provide upper-bound estimates for annual average contributions The data set consists over 150 000 measurements. include Brigantine, NJ, Cape Cod, MA, Washington, DC, Chassahowitzka...
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