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Photodlssociation of CF_2ClBr at 185 nm of.Ultraviolet Radiation

Duan yang et al.(Institute of Environmental Science, Fudan University, Shanghai 200433),Zhu Shaolong et al.(Institute of Electric Light Sources, Fudan University,Shanghai 200433)  
The Photodissociation Df CF2CIBr and its photooxidation at the existence of O,at L85 urn of ultraviolet radiation were studied using low pressure mercury lamp.The results showed that the dissociation of pure CFZCIBr at 185 urn of ultraviolet radiation is a balance reaction, and the ultimate dissociation rate is about 26%.The dissociation Of CF2CIBr is a first order reaction and the rate constantis 1.70× 10-3 s-1 at the echtence of O2.The dissociation procedure of CF2CIBr at 185 urn of ultraviolet radiation and the mechanism of its photoreaction with O,was discued.
【Fund】: 国家自然科学基金
【CateGory Index】: TQ034
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