Potential chlorinated and brominated interferences on the polybrominated diphenyl ether determinations by gas chromatography-mass spectrometry

被引：47

作者：

Eljarrat, E ^{[1
]}

de la Cal, A ^{[1
]}

Barceló, D ^{[1
]}

机构：

[1] CSIC, IIQAB, Dept Environm Chem, Barcelona 08034, Spain

来源：

JOURNAL OF CHROMATOGRAPHY A | 2003年 / 1008卷 / 02期

关键词：

interference; electron ionization; negative ion chemical ionization; polybrominated diphenyl ethers; polychlorinated biphenyls;

D O I：

10.1016/S0021-9673(03)00980-4

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

The analysis of polybrominated diphenyl ether (PBDE) congeners by GC-MS was studied in terms of potential interferences. Different MS approaches were normally used for the PBDE analyses: negative ion chemical ionization (NICI-MS) and electron ionization (EI-MS). This paper studied the presence of potential interferences in each instrumental technique approach, principally those corresponding to different chlorinated compounds (PCBs, PCNs, etc.) as well as brominated compounds (PBBs, MeO-PBDEs, TBBPA, etc.). The two ionization modes are subjected to different types of interferences. In general, EI-MS is affected by chlorinated interferences, especially PCBs. NICI-MS eliminated chlorinated interferences but presented different brominated interferences, well resolved with the EI-MS approach. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：181 / 192

页数：12

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