ANALYSIS OF TRACE OXYGENATED HYDROCARBONS IN THE ENVIRONMENT

被引：15

作者：

PIEROTTI, D ^{[1
]}

机构：

[1] HARVARD UNIV,DEPT EARTH & PLANETARY SCI,CAMBRIDGE,MA 02138

来源：

JOURNAL OF ATMOSPHERIC CHEMISTRY | 1990年 / 10卷 / 04期

关键词：

analysis; Oxygenated hydrocarbons; sampling;

D O I：

10.1007/BF00115780

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A technique has been developed which can measure low-molecular-weight (C2-C5) oxygenated hydrocarbons down to concentrations of less than 10 parts per trillion (10-12) in the atmosphere. The method uses cryogenic trapping of trace gases from the air, and two-dimensional gas chromatography (2DGC) with flame ionization and photo-ionization detectors to analyze the samples. The method has been used to make extensive measurements in the field, and it is capable of measuring all of the C2-C5 carbonyl compounds in clean tropospheric air. The 2DGC analytical system also makes it possible to prepare accurate, reproducible standards of the low-molecular-weight oxygenated hydrocarbons at trace levels. © 1990 Kluwer Academic Publishers.

引用

页码：373 / 382

页数：10

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