DETERMINATION OF TRACE HAZARDOUS ORGANIC VAPOR POLLUTANTS IN AMBIENT ATMOSPHERES BY GAS CHROMATOGRAPHY MASS SPECTROMETRY COMPUTER

被引：95

作者：

PELLIZZARI, ED ^{[1
]}

BUNCH, JE ^{[1
]}

BERKLEY, RE ^{[1
]}

MCRAE, J ^{[1
]}

机构：

[1] RES TRIANGLE INST,DIV CHEM & LIFE SCI,RES TRIANGLE PK,NC 27709

来源：

ANALYTICAL CHEMISTRY | 1976年 / 48卷 / 06期

关键词：

CHROMATOGRAPHIC ANALYSIS;

D O I：

10.1021/ac60370a003

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Tenax GC cartridges were used to collect organic vapors in the ambient air of Houston, Tex. , the Los Angeles, Calif. Basin, and the Raleigh, N. C. area. The vapors were thermally desorbed and analyzed by a capillary gas-liquid chromatograph coupled to a mass spectrometer. An on-line computer recorded data on magnetic tape and generated normalized mass spectra and mass fragmentograms. The ubiquitous background of hydrocarbons from automobile exhaust were substantially resolved from each other, and 21 halogenated hydrocarbons were detected, including the carcinogens vinyl chloride and trichloroethylene, as well as numerous oxygen, sulfur, nitrogen, and silicon compounds.

引用

页码：803 / 807

页数：5

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