摘要
碳氢化合物被NO_x光氧化过程中会产生中间物质酮类化合物,与烷烃、烯烃不同的是,这类化合物与大气化学中感兴趣的自由基,如O、OH等的基元反应研究得不多。除有少量关于O(~3p)与丙酮反应速率常数测定的报道外,前文还报道了O(~3p)与丁酮反应速率常数的测定,并得出该反应速率常数与温度关系的Arrhenius表达式。
We measured the second order rate constants of the reaction between O(3p) atoms and c-hexanone molecules over the temperature range 313-513 K with discharge-chemiluminescence technique. The dependence of the rate constant on temperature determined isk = 2.5±0.8×10-10 exp( - 20.2± 0.9 kT/RT) mL/molec.sO(3P) atoms were produced by discharge flow system. The concentration of the residual O(3p) atoms in detector was monitered by the NO2+ chemilumine-scence. The preliminary estimation of the effect of the carbonyl group upon the rate constant of the reaction is presented.
出处
《高等学校化学学报》
SCIE
EI
CAS
CSCD
北大核心
1989年第3期314-316,共3页
Chemical Journal of Chinese Universities
基金
国家自然科学基金
