null检测 | GC/MS Analysis of Thermolabile High Boiling Brominated Flame Retardants-赛默飞色谱与质谱

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Brominated diphenyl ethers (BDEs) are among the most important and most widely used flame retardants in a range of different industrial products. They are found worldwide in practically all types of matrices moving them into the focus of legislation[1,2]. Among the PBDE congeners decabromodiphenylether (BDE-209) became of particular trace analytical interest due to a discussed toxicological potential in the consequence of bioaccumulation. Due to its intrinsic properties – very high boiling point combined with low thermal stability – BDE-209 is difficult to analyze at residue levels. In this study chromatographic parameters including different injection techniques have been compared and optimized in order to achieve minimal thermal breakdown resulting in optimum achievable sensitivity. PTV on column injection is presented as a versatile alternative to a standard on column injector.

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