DETERMINATION OF PART-PER-TRILLION LEVELS OF ATMOSPHERIC DIMETHYL SULFIDE BY ISOTOPE-DILUTION GAS-CHROMATOGRAPHY MASS-SPECTROMETRY

被引：20

作者：

THORNTON, DC

BANDY, AR

RIDGEWAY, RG

DRIEDGER, AR

LALEVIC, M

机构：

[1] Department of Chemistry, Drexel University, Philadelphia, 19104, PA

来源：

JOURNAL OF ATMOSPHERIC CHEMISTRY | 1990年 / 11卷 / 04期

关键词：

Dimethyl sulfide; gas chromatography; isotope dilution; mass spectrometry; troposphere;

D O I：

10.1007/BF00053779

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Stable isotopic dilution was applied to the determination of dimethyl sulfide (DMS) in ambient air at the low part-per-trillion by volume (pptrv) levels. Perdeuterated DMS was used as an internal standard in the gas chromatography/mass spectrometry determination. The isotopically labelled internal standard provided insensitivity to possible losses of DMS in sampling and analysis. The lower limit of detection (LLD) was 1 pptrv with a sample acquisition time of 2 min. © 1990 Kluwer Academic Publishers.

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页码：299 / 308

页数：10

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