Measurements of uptake coefficients for heterogeneous loss of HO2 onto submicron inorganic salt aerosols
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چکیده
منابع مشابه
Measurements of the HO2 uptake coefficients onto single component organic aerosols.
Measurements of HO2 uptake coefficients (γ) were made onto a variety of organic aerosols derived from glutaric acid, glyoxal, malonic acid, stearic acid, oleic acid, squalene, monoethanol amine sulfate, monomethyl amine sulfate, and two sources of humic acid, for an initial HO2 concentration of 1 × 10(9) molecules cm(-3), room temperature and at atmospheric pressure. Values in the range of γ < ...
متن کاملReactive uptake coefficients for heterogeneous reaction of N2O5 with submicron aerosols of NaCl and natural sea salt
The kinetics of uptake of gaseous N2O5 on submicron aerosols containing NaCl and natural sea salt have been investigated in a flow reactor as a function of relative humidity (RH ) in the range 30–80% at 295±2 K and a total pressure of 1 bar. The measured uptake coefficients, γ , were larger on the aerosols containing sea salt compared to those of pure NaCl, and in both cases increased with incr...
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Laboratory studies have found that heterogeneous oxidation can affect the composition and loading of atmospheric organic aerosol particles over time scales of several days, but most studies have examined pure organic particles only. In this study, in order to probe the reactivity of organic species confined near the particle surface, the rates and products of the OH-initiated oxidation of pure ...
متن کاملReactive uptake coefficients for heterogeneous reaction
Introduction Conclusions References Tables Figures Back Close Abstract Introduction Conclusions References Tables Figures Back Close Abstract The kinetics of uptake of gaseous N 2 O 5 on submicron aerosols containing NaCl and natural sea salt has been investigated in a flow reactor as a function of relative humidity (RH) in the range 30–80% at 295±2 K and a total pressure of 1 bar. The measured...
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ژورنال
عنوان ژورنال: Physical Chemistry Chemical Physics
سال: 2013
ISSN: 1463-9076,1463-9084
DOI: 10.1039/c3cp51831k