A STUDY OF O(D-1) REACTIONS WITH CFC SUBSTITUTES

被引：36

作者：

WARREN, R

GIERCZAK, T

RAVISHANKARA, AR

机构：

[1] NOAA,ERL,R-E AL2,325 BROADWAY,BOULDER,CO 80303

[2] UNIV COLORADO,NOAA,COOPERAT INST RES ENVIRONM SCI,BOULDER,CO 80309

[3] UNIV COLORADO,DEPT CHEM & BIOCHEM,BOULDER,CO 80303

来源：

CHEMICAL PHYSICS LETTERS | 1991年 / 183卷 / 05期

关键词：

D O I：

10.1016/0009-2614(91)90402-U

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The rate coefficients for the removal of O(1D) by reaction with the following nine CFC substitutes have been measured using time-resolved vacuum UV atomic resonance fluorescence detection of O(3P): CHF2Cl (HCFC 22), CF3CHCl2 (HCFC 123), CF3CHClF (HCFC 124), CF3CHF2(HFC 125), CF3CH2Cl (HCFC 133a), CF3CH2F (HFC 134a), CH3CFCl2 (HCFC 141b), CH3CF2Cl (HCFC 142b), and CH3CHF2 (HFC 152a). The branching ratios for the quenching of O(1D) to O(3P) by the above molecules were determined by measuring the O(3P) yields in the presence of the HCFC/HFCs relative to that in the presence of N2. By difference, the rate coefficients for the chemical reaction of O(1D) with the HCFC/HFCs were calculated.

引用

页码：403 / 409

页数：7

共 22 条

[1]

ADDISON MC, 1979, J CHEM SOC CHEM COMM, V67, P286

[2] THE DYNAMICS AND MICROSCOPIC KINETICS OF THE REACTIONS OF O(D-1(2)) ATOMS WITH CHCL3 AND CHF3 [J].