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The atmospheric chemistry of (CH3)3CNH2 (tert-butylamine, tBA) and (CH3)2(CH2OH)CNH2 (2-amino-2-methyl-1-propanol, AMP) has been studied by quantum chemistry methods and in photo-oxidation experiments in the EUPHORE chamber in Valencia (Spain). Aerosol formation and composition has been quantified. Yields of nitramines and other products in the photo-oxidations have been determined and complete photo-oxidation...
This chapter provides an overview of the atmospheric photochemical degradation of important anthropogenic molecules. Starting with an introduction to atmospheric chemistry, the concept of atmospheric lifetime is presented and the degradation mechanisms of alkanes, aromatics, nitrogen oxides, SO2, chlorofluorocarbons, halons, hydrofluorocarbons, and hydrochlorofluorocarbons are discussed. Areas of...
We review the available data concerning the atomospheric chemistry and environmental impact of hydrofluorocarbons (HFCs) and hydrofluoroethers (HFEs). HFCs and HFEs have no impact on stratospheric ozone. The direct global warming potentials of HFCs and HFEs are approximately an order of magnitude less than the CFCs they replace. At the concentrations expected from their atmospheric degradation, none...
IR spectra for C x F 2x+1 CHCH 2 (x=1, 2, 4, 6, 8) were recorded in 700Torr of air, 298±2K. Integrated absorption cross sections (650–1800cm −1 ) of (1.18±0.06), (1.32±0.07), (2.43±0.12), (2.86±0.14) and (3.32±0.17)×10 −16 cm 2 molecule −1 cm −1 were determined for C x F 2x+1 CHCH 2 (x=1, 2, 4, 6, 8), respectively...
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