A sensitive method for the determination of iodine containing diagnostic agents in aqueous matrices using LC-electrospray-tandem-MS detection

被引：74

作者：

Hirsch, R ^{[1
]}

Ternes, TA ^{[1
]}

Lindart, A ^{[1
]}

Haberer, K ^{[1
]}

Wilken, RD ^{[1
]}

机构：

[1] ESWE Inst Water Res & Water Technol, D-65201 Wiesbaden, Germany

来源：

FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 2000年 / 366卷 / 08期

关键词：

D O I：

10.1007/s002160051581

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Iodinated contrast media belong to the most frequently applied compounds in medicine. They exhibit a high polarity and are very persistent against metabolism by the organism and environmental degradation. A sensitive method for the determination of five iodinated contrast media in aqueous matrices is described. Solid phase extraction utilizing Isolute ENV+ material was used for sample enrichment. The contrast media were partially separated on a RP-C-18 column, and detection was achieved using electrospray-tandem MS (API III plus and API 365) allowing the sensitive quantitation of these compounds down to the lower ng/L range. The recovery rates generally exceeded 70%, for spiked surface water as well as tap water. The analytes were detected in native samples such as municipal sewage treatment plant (STP) effluent, the river Rhine and even in tap water.

引用

页码：835 / 841

页数：7

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