RATE COEFFICIENTS FOR THE REACTION OF OH WITH HONO BETWEEN 298-K AND 373-K

被引:33
作者
BURKHOLDER, JB [1 ]
MELLOUKI, A [1 ]
TALUKDAR, R [1 ]
RAVISHANKARA, AR [1 ]
机构
[1] UNIV COLORADO,NOAA,COOPERAT INST RES ENVIRONM SCI,BOULDER,CO 80309
关键词
D O I
10.1002/kin.550240805
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
Rate coefficients, k1, for the reaction OH + HONO --> H2O + NO2, have been measured over the temperature range 298 to 373 K. The OH radicals were produced by 266 nm laser photolysis of O3 in the presence of a large excess of H2O vapor. The temporal profiles of OH were measured under pseudo-first-order conditions, in an excess of HONO, using time resolved laser induced fluorescence. The measured rate coefficient exhibits a slight negative temperature dependence, with k1 = (2.8 +/- 1.3) X 10(-12) exp((260 +/- 140)/T) cm3 molecule-1 s-1. The measured values of k1 are compared with previous determinations and the atmospheric implications of our findings are discussed.
引用
收藏
页码:711 / 725
页数:15
相关论文
共 28 条
[1]   COMPARISON OF ATMOSPHERIC NITROUS-ACID MEASUREMENTS BY ANNULAR DENUDER AND DIFFERENTIAL OPTICAL-ABSORPTION SYSTEMS [J].
APPEL, BR ;
WINER, AM ;
TOKIWA, Y ;
BIERMANN, HW .
ATMOSPHERIC ENVIRONMENT PART A-GENERAL TOPICS, 1990, 24 (03) :611-616
[2]   SIMULTANEOUS ABSOLUTE MEASUREMENTS OF GASEOUS NITROGEN SPECIES IN URBAN AMBIENT AIR BY LONG PATHLENGTH INFRARED AND ULTRAVIOLET VISIBLE SPECTROSCOPY [J].
BIERMANN, HW ;
TUAZON, EC ;
WINER, AM ;
WALLINGTON, TJ ;
PITTS, JN .
ATMOSPHERIC ENVIRONMENT, 1988, 22 (08) :1545-1554
[3]   NEAR-UV ABSORPTION CROSS-SECTIONS AND TRANS CIS EQUILIBRIUM OF NITROUS-ACID [J].
BONGARTZ, A ;
KAMES, J ;
WELTER, F ;
SCHURATH, U .
JOURNAL OF PHYSICAL CHEMISTRY, 1991, 95 (03) :1076-1082
[4]   OZONE PHOTOLYSIS - DETERMINATION OF THE O(3P) QUANTUM YIELD AT 266-NM [J].
BROCK, JC ;
WATSON, RT .
CHEMICAL PHYSICS LETTERS, 1980, 71 (03) :371-375
[5]   REACTION OF ATOMIC OXYGEN AND HYDROGEN WITH NITRIC-ACID [J].
CHAPMAN, CJ ;
WAYNE, RP .
INTERNATIONAL JOURNAL OF CHEMICAL KINETICS, 1974, 6 (05) :617-630
[6]  
Cox R. A., 1974, J PHOTOCHEM, V3, P175, DOI [DOI 10.1016/0047-2670(74)80018-3, 10.1016/0047-2670(74)80018-3]
[7]   RELATIVE RATE CONSTANTS FOR REACTIONS OF OH RADICALS WITH H-2, CH4, CO, NO AND HONO AT ATMOSPHERIC-PRESSURE AND 296 K [J].
COX, RA ;
DERWENT, RG ;
HOLT, PM .
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS I, 1976, 72 :2031-2043
[8]  
COX RA, 1976, J PHOTOCHEM, V6, P23
[9]   ON THE KINETICS OF THE REACTIONS OF OXYGEN-ATOMS WITH NO2, N2O4, AND N2O3 AT LOW-TEMPERATURES [J].
GEERSMULLER, R ;
STUHL, F .
CHEMICAL PHYSICS LETTERS, 1987, 135 (03) :263-268
[10]   KINETICS OF THE GAS-PHASE REACTION OF OH WITH NITROUS-ACID [J].
JENKIN, ME ;
COX, RA .
CHEMICAL PHYSICS LETTERS, 1987, 137 (06) :548-552