ANALYSIS OF LOW-MOLECULAR-WEIGHT HYDROCARBONS INCLUDING 1,3-BUTADIENE IN ENGINE EXHAUST-GASES USING AN ALUMINUM-OXIDE POROUS-LAYER OPEN-TUBULAR FUSED-SILICA COLUMN

被引:85
作者
PELZ, N
DEMPSTER, NM
SHORE, PR
机构
[1] RICARDO CONSULTING ENGINEERS LTD,BRIDGE WORKS,SHOREHAM BY SEA BN43 5FG,W SUSSEX,ENGLAND
[2] DAIMLER BENZ AG,DEPT FVA VE,W-7000 STUTTGART,GERMANY
关键词
D O I
10.1093/chromsci/28.5.230
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
A method for the quantitative analysis of individual hydrocarbons in the C1-C8 range emitted in engine exhaust gases is described. The procedure provides base-line or near base-line resolution of C4 components including 1, 3-butadiene. With a run time of less than 50 min, the light aromatics (benzene, toluene, ethyl benzene, p- and m-xylene, and o-xylene) are resolved during the same analysis as aliphatic hydrocarbons in the C1-C8 range. It is shown that typical 1, 3-butadiene levels in engine exhaust are about 5 ppm at each of two engine conditions. Aromatic hydrocarbon levels show a dependence on engine operating conditions, benzene being about 20 ppm at high speed and about 40 ppm at idle. © 1990 Oxford University Press.
引用
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页码:230 / 235
页数:6
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