SHOCK-TUBE STUDY OF THE REACTION BETWEEN CH3 AND H-2

被引：29

作者：

BAECK, HJ

SHIN, KS

YANG, H

QIN, Z

LISSIANSKI, V

GARDINER, WC

机构：

[1] UNIV TEXAS,DEPT CHEM & BIOCHEM,AUSTIN,TX 78712

[2] SOONG SIL UNIV,DEPT CHEM,SEOUL 156743,SOUTH KOREA

来源：

JOURNAL OF PHYSICAL CHEMISTRY | 1995年 / 99卷 / 43期

关键词：

D O I：

10.1021/j100043a034

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 reaction between CH3 radicals and H-2 was investigated in shock waves at temperatures between 1250 and 1950 K and densities from 3 to 20 mol/m(3) using C2H6N2 and CH3I as methyl radical sources. CH3 consumption was followed using time resolved UV absorption at 213.9 nm. The rate coefficient expressions k(1) = 2.1 x 10(13) exp(-7780K/T) cm(3) mol(-1) s(-1) for the reaction of CH3 with H-2 and k(13) = 3.2 x 10(13) exp(-13400K/T) cm(3) mol(-1) s(-1) for the CH3I decomposition reaction in Ar were derived. By use of the equilibrium constant and measured k(1) values, the expression k(-1) = 4.4 x 10(14)exp(-7840K/T) cm(3) mol(-1) s(-1) for the reaction CH4 + H --> CH3 + H-2 was derived.

引用

页码：15925 / 15929

页数：5