The reaction of a typical unsaturated alcohol,3-methyl-3-buten-1-ol(MBO331),with Cl atoms,was investigated for the first time.The reaction was investigated using discharged flow-tube coupled with electron impact mass ...The reaction of a typical unsaturated alcohol,3-methyl-3-buten-1-ol(MBO331),with Cl atoms,was investigated for the first time.The reaction was investigated using discharged flow-tube coupled with electron impact mass spectrometer.The experiments were performed over the temperature range of 248 K―298 K and at pressure of 1 torr in He as the bath gas.The obtained kinetic data were used to derive the Arrhenius expression:k1 =(3.47 ± 1.21) × 10-11 exp[(599 ± 69)/T] cm3 molecule-1 s-1.Finally,atmospheric lifetimes of the MBO331 with respect to OH radicals,NO3 radicals and Cl atoms have been calculated and the atmospheric implications are considered briefly.展开更多
基金Supported by the Knowledge Innovation Program of Chinese Academy of Sciences (Grant No. KJCX2-YW-N24, KZCX2-YW-Q02-03)National Basic Research Program of China (Grant No. 2006CB403701) of Ministry of Science and Technology of ChinaNational Natural Science Foundation of China (Grant No. 40830101)
文摘The reaction of a typical unsaturated alcohol,3-methyl-3-buten-1-ol(MBO331),with Cl atoms,was investigated for the first time.The reaction was investigated using discharged flow-tube coupled with electron impact mass spectrometer.The experiments were performed over the temperature range of 248 K―298 K and at pressure of 1 torr in He as the bath gas.The obtained kinetic data were used to derive the Arrhenius expression:k1 =(3.47 ± 1.21) × 10-11 exp[(599 ± 69)/T] cm3 molecule-1 s-1.Finally,atmospheric lifetimes of the MBO331 with respect to OH radicals,NO3 radicals and Cl atoms have been calculated and the atmospheric implications are considered briefly.