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- W2912349747 abstract "Evidence is presented for significant local sulfate formation, the existence of a chemical link between ambient sulfate and organic particulate material is postulated, and a new SO/sub 2/ oxidation process by a reaction between organic products of incomplete combustion and SO/sub 2/ is described. Specifically, results of field studies on the relationship among sulfate, SO/sub 2/, and carbonaceous particles, speciation of sulfate and nitrogenous species, and laboratory results on certain aspects of SO/sub 2/ oxidation are presented. It is concluded that in highly polluted atmospheres, large concentrations of ambient sulfate can be produced by conversion of locally emitted SO/sub 2/ by a process that is largely independent of SO/sub 2/ but proportional to soot concentration. Ambient sulfate from many locations is found as anomalous ammonium sulfate where charged organic nitrogen complexes substitute for ammonium ions. Such sulfate is found when the aerosol is rich in organic constituents. The reaction between pyrolysis products of hydrocarbon fuels and SO/sub 2/ is an efficient mechanism for sulfate ion formation. This reaction is strongly dependent on combustion conditions." @default.
- W2912349747 created "2019-02-21" @default.
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- W2912349747 date "1982-09-01" @default.
- W2912349747 modified "2023-09-26" @default.
- W2912349747 title "Organics, soot, and ambient sulfate" @default.
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