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Laboratory simulation for the aqueous OH-oxidation of methyl vinyl ketone and methacrolein: significance to the in-cloud SOA production
Laboratory simulation the aqueous OH-oxidation methyl vinyl ketone the in-cloud SOA production
2010/10/11
Increasing evidence suggests that secondary organic aerosol (SOA) is formed through aqueous phase reactions in atmospheric clouds. In the present study, the aqueous oxidation of methyl vinyl ketone (M...
Recent trends in atmospheric methyl bromide: analysis of post-Montreal Protocol variability
atmospheric methyl bromide post-Montreal Protocol variability
2009/8/25
The atmospheric methyl bromide (CH3Br) burden has declined in recent years, in response to the phaseout of agricultural and structural fumigation consumption under the amendments to the Montreal Proto...
Methyl chavicol: characterization of its biogenic emission rate, abundance, and oxidation products in the atmosphere
Methyl chavicol biogenic emission rate abundance oxidation products atmosphere
2009/3/31
We report measurements of ambient atmospheric mixing ratios for methyl chavicol and determine its biogenic emission rate. Methyl chavicol, a biogenic oxygenated aromatic compound, is abundant within a...
Laboratory study on heterogeneous decomposition of methyl chloroform on various standard aluminosilica clay minerals as a potential tropospheric sink
heterogeneous decomposition methyl chloroform aluminosilica clay minerals potential tropospheric sink
2009/3/11
Methyl chloroform (1,1,1-trichloroethane, CH3CCl3) was found to decompose heterogeneously on seven types of standard clay minerals (23 materials) in dry air at 313 K in the laboratory. All reactions p...
Two decades of OH variability as inferred by an inversion of atmospheric transport and chemistry of methyl chloroform
OH variability atmospheric transport chemistry of methyl chloroform
2009/2/18
We developed an iterative inverse method to infer inter-annual sources and sinks of methyl chloroform (MCF) from atmospheric measurements, on a monthly basis. The methodology is presented and used to ...
Aqueous-phase ozonolysis of methacrolein and methyl vinyl ketone: a potentially important source of atmospheric aqueous oxidants
ozonolysis methacrolein methyl vinyl ketone atmospheric aqueous oxidants
2008/11/5
Recent studies indicate that isoprene and its gas-phase oxidation products could contribute a considerable amount of aerosol through aqueous-phase acid-catalyzed oxidation with hydrogen peroxide (H2O2...