CHARACTERIZATION OF DYES IN ENVIRONMENTAL-SAMPLES BY THERMOSPRAY HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY MASS-SPECTROMETRY

被引：38
作者：
VOYKSNER, RD
机构：
[1] Analytical and Chemical Sciences, Research Triangle Institute, Research Triangle Park, NC 27709, United States
来源：
ANALYTICAL CHEMISTRY | 1985年 / 57卷 / 13期
关键词：
GASOLINE - Chromatographic Analysis - WASTEWATER - Chromatographic Analysis;
D O I：
10.1021/ac00290a039
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The use of thermospray HPLC/MS to characterize azo, diazo, and anthraquinone dyes in wastewater and gasoline is demonstrated. Thermospray analysis of these dyes primarily produced left bracket M plus H right bracket ** plus ions with few fragments. 'Filament on' operation of the interface aided in the production of fragment ions for the azo dyes analyzed. Thermospray HPLC/MS methods are demonstrated to detect dyes down to 10 ppt (parts per trillion) in wastewater, 100 ppb in soil, and 1 ppm in gasoline. The 'filament on' operation of the thermospray interface provided additional fragment ions, aiding the structural elucidation of these dyes.
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页码：2600 / 2605
页数：6
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