THE UV-VISIBLE ABSORPTION-SPECTRUM OF METHYLGLYOXAL

被引:59
作者
MELLER, R
RABER, W
CROWLEY, JN
JENKIN, ME
MOORTGAT, GK
机构
[1] MAX PLANCK INST CHEM,DIV ATMOSPHER CHEM,SAARSTR 23,W-6500 MAINZ,GERMANY
[2] AEA TECHNOL,HARWELL LAB,ENVIRONM & ENERGY,OXFORD OX11 0RA,ENGLAND
关键词
D O I
10.1016/1010-6030(91)87017-P
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 UV-visible absorption spectrum of methylglyoxal was measured by conventional UV spectroscopic techniques (220-490 nm) and in separate experiments in which gas phase methylglyoxal was produced in situ by the chlorine-atom-initiated oxidation of acetol (390-470 nm). In the region where the two sets of results overlap, reasonably good agreement is observed. These results indicate considerably high cross-sections than those previously reported in the literature.
引用
收藏
页码:163 / 171
页数:9
相关论文
共 15 条
[1]  
BARNES I, 1982, 3RD DISC M WORK PART
[2]  
BAUER D, UNPUB J PHOTOCHEM PH
[3]   LUMINESCENCE AND SIMPLIFIED PHOTOPHYSICS OF METHYLGLYOXAL [J].
COVELESKIE, RA ;
YARDLEY, JT .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1975, 97 (07) :1667-1672
[4]   THE HO2 RADICAL UV ABSORPTION-SPECTRUM MEASURED BY MOLECULAR MODULATION, UV DIODE-ARRAY SPECTROSCOPY [J].
CROWLEY, JN ;
SIMON, FG ;
BURROWS, JP ;
MOORTGAT, GK ;
JENKIN, ME ;
COX, RA .
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 1991, 60 (01) :1-10
[5]  
FINLAYSONPITTS BJ, 1986, ATMOS CHEM J, pCH14
[6]   FTIR STUDY OF THE CL-ATOM INITIATED OXIDATION OF METHYLGLYOXAL [J].
GREEN, M ;
YARWOOD, G ;
NIKI, H .
INTERNATIONAL JOURNAL OF CHEMICAL KINETICS, 1990, 22 (07) :689-699
[7]  
JENKIN ME, UNPUB MECHANISM CL A
[8]   ABSORPTION-SPECTRUM AND KINETICS OF REACTIONS OF THE ACETYLPEROXY RADICAL [J].
MOORTGAT, G ;
VEYRET, B ;
LESCLAUX, R .
JOURNAL OF PHYSICAL CHEMISTRY, 1989, 93 (06) :2362-2368
[9]   KINETICS OF THE REACTION OF HO2 WITH CH3C(O)O2 IN THE TEMPERATURE-RANGE 253-K-368-K [J].
MOORTGAT, GK ;
VEYRET, B ;
LESCLAUX, R .
CHEMICAL PHYSICS LETTERS, 1989, 160 (04) :443-447
[10]   OH RADICAL RATE CONSTANTS AND PHOTOLYSIS RATES OF ALPHA-DICARBONYLS [J].
PLUM, CN ;
SANHUEZA, E ;
ATKINSON, R ;
CARTER, WPL ;
PITTS, JN .
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 1983, 17 (08) :479-484