A STUDY OF AEROSOL CHEMICAL-REACTIONS BY OPTICAL RESONANCE SPECTROSCOPY

被引:18
作者
TAFLIN, DC
DAVIS, EJ
机构
基金
美国国家科学基金会;
关键词
D O I
10.1016/0021-8502(90)90024-R
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
A new spectroscopic technique has been developed for the study of chemical reactions between a reactive gas and an aerosol. A single microdroplet of 1-octadecene was suspended by means of electrical fields in a laser beam and the chemical reaction between bromine vapor and the droplet was monitored by recording the optical resonance spectrum of the scattered light and its phase function. Resonances are extremely sensitive to droplet size and refractive index, and hence they were used to determine the refractive index change that occurred as the reaction proceeded. Reaction rates and the solubility of the reactive vapor are shown to be measurable by this method. © 1990.
引用
收藏
页码:73 / 86
页数:14
相关论文
共 29 条
[1]  
Arnold S., 1988, OPTICAL EFFECTS ASS, P65
[2]   OBSERVATION OF RESONANCES IN RADIATION PRESSURE ON DIELECTRIC SPHERES [J].
ASHKIN, A ;
DZIEDZIC, JM .
PHYSICAL REVIEW LETTERS, 1977, 38 (23) :1351-1354
[3]   THE REACTION OF BROMINE WITH CYCLOHEXENE IN CARBON-TETRACHLORIDE .1. REACTIONS IN THE ABSENCE OF HYDROGEN BROMIDE - PRESENCE OF A SCAVENGER [J].
BYRNELL, CJA ;
COOMBES, RG ;
HART, LS ;
WHITING, MC .
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2, 1983, (08) :1079-1086
[4]   SIMULTANEOUS DETERMINATION OF REFRACTIVE-INDEX AND SIZE OF SPHERICAL DIELECTRIC PARTICLES FROM LIGHT-SCATTERING DATA [J].
CHYLEK, P ;
RAMASWAMY, V ;
ASHKIN, A ;
DZIEDZIC, JM .
APPLIED OPTICS, 1983, 22 (15) :2302-2307
[5]  
Crank J., 1956, MATH DIFFUSION
[6]   LIGHT-SCATTERING AND AERODYNAMIC SIZE MEASUREMENTS FOR HOMOGENEOUS AND INHOMOGENEOUS MICROSPHERES [J].
DAVIS, EJ ;
PERIASAMY, R .
LANGMUIR, 1985, 1 (03) :373-379
[8]   MEASUREMENT OF THE AERODYNAMIC DRAG FORCE ON SINGLE AEROSOL-PARTICLES [J].
DAVIS, EJ ;
ZHANG, SH ;
FULTON, JH ;
PERIASAMY, R .
AEROSOL SCIENCE AND TECHNOLOGY, 1987, 6 (03) :273-287
[9]  
DAVIS EJ, 1983, AEROSOL SCI TECH, V2, P121
[10]  
DAVIS EJ, 1987, SURF COLLOID SCI, P1