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本文研究了二硝基芘异构体在模拟大气条件下的光化学反应,结果表明反应速率呈二级动力学关系。除光源变化的影响外,二硝基芘异构体在不同气氛中,反应速率不同,存在着氧的猝灭和氧化作用。而不同的异构体之间,相应的反应速度也不同。光解产物中存在硝基羟基类化合物、醌类和二聚体。毒理实验表明,光解产物致突变性下降。
In this paper, the photochemical reaction of dinitrophenyl pyrene isomers under simulated atmospheric conditions was studied. The results showed that the reaction rate showed a second-order kinetic relationship. In addition to the influence of the change of light source, dinitro-pyrene isomers have different reaction rates in different atmospheres, and there is quenching and oxidation of oxygen. The different isomers, the corresponding reaction rate is also different. Photolysis products exist nitro hydroxyl compounds, quinones and dimers. Toxicology experiments show that the photodegradation of mutagenicity decreased.