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五氧化二氮(N2O5）是对流层大气化学过程的关键物种之一，其在颗粒物表面的非均相水解反应是硝酸盐生成的重要途径。N2O5主要来自NO2和NO3自由基的化学反应，由于日间NO3的光解反应较快且NO3能够被NO快速消耗，使得日间N2O5的生成受阻，加之N2O5具有极强的光不稳定特性，致使目前的研究普遍认为N2O5化学反应在日间不重要，N2O5非均相水解反应也仅仅在夜间对硝酸盐的生成产生重要贡献。
Night-time chemistry above London: measurements of NO3 and N2O5 from the BT Tower
Night-time chemistry London NO3 N2O5 the BT Tower
2010/10/21
Broadband cavity enhanced absorption spectroscopy (BBCEAS) has been used to measure the sum of concentrations of NO3 and N2O5 from the BT (telecommunications) Tower 160 m above street level in central...
Sensitivity of a global model to the uptake of N2O5 by tropospheric aerosol
a global model N2O5 tropospheric aerosol
2010/8/16
The uptake of N2O5 on aerosol impacts atmospheric concentrations of NOx and so O3, OH, and hence CH4. Laboratory studies show significant variation in the rate of uptake, with a general decline in the...
Toward a general parameterization of N2O5 reactivity on aqueous particles: the competing effects of particle liquid water, nitrate and chloride
N2O5 reactivity aqueous particles particle liquid water nitrate chloride
2009/11/19
The heterogeneous reaction of N2O5 on mixed organic-inorganic aerosol particles was investigated using an entrained aerosol flow tube coupled to a custom-built chemical ionization mass spectrometer. L...
Reactive uptake coefficients for heterogeneous reaction of N2O5 with submicron aerosols of NaCl and natural sea salt
Reactive uptake coefficients N2O5 submicron aerosols NaCl natural sea salt
2009/3/4
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% a...
The heterogeneous chemical kinetics of N2O5 on CaCO3 and other atmospheric mineral dust surrogates
heterogeneous chemical kinetics N2O5 CaCO3 atmospheric mineral dust surrogates
2009/1/6
Uptake experiments of N2O5 on several mineral dust powder samples were carried out under continuous molecular flow conditions at 298±2 K. At [N2O5]0=(4.0±1.0)×1011 cmW22;3 we have found γss values ...
Parameterization of N2O5 reaction probabilities on the surface of particles containing ammonium, sulfate, and nitrate
N2O5 sulfate nitrate
2008/11/19
A parameterization was developed for the heterogeneous reaction probability (γ) of N2O5 as a function of temperature, relative humidity (RH), particle composition, and phase state, for use in advanced...
The interaction of N2O5 with mineral dust: aerosol flow tube and Knudsen reactor studies
N2O5 mineral dust aerosol flow tube Knudsen reactor
2008/10/24
The interaction of mineral dust with N2O5 was investigated using both airborne mineral aerosol (using an aerosol flow reactor with variable relative humidity) and bulk samples (using a Knudsen reactor...