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A novel calibration procedure for trace analytical measurements: application to the analysis of polybrominated diphenyl ethers by GC-MS.

Brown, A S; Brown, R J C; Robinson, R A (2007) A novel calibration procedure for trace analytical measurements: application to the analysis of polybrominated diphenyl ethers by GC-MS. Analyst, 132 (9). pp. 922-928.

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Abstract

The measurement of polybrominated diphenyl ethers (PBDEs) by gas chromatography - mass spectrometry (GC-MS) is highly challenging due to existence of the analytes at trace levels and the instability of the higher molecular weight PBDEs. These properties make accurate analysis especially problematic when utilising a low-resolution `bench-top¿ GC - electron impact (EI) mass spectrometer. We discuss the problems associated with the analyses of PBDEs on these common GC-EI-MS systems and present a novel approach to calibration in these circumstances. We propose that this `mixed calibration procedure¿ allows analyses to be performed that would not be possible using traditional calibration techniques, and that the procedure may be applied to a wide range of applications throughout analytical science.

Item Type: Article
Keywords: Calibration, Gas chromatography, Mass spectrometry, Trace analysis, Polybrominated diphenyl ethers, Flame retardants.
Subjects: Analytical Science
Analytical Science > Trace Analysis and Electrochemistry
Last Modified: 23 Jul 2018 13:01
URI: http://eprintspublications.npl.co.uk/id/eprint/3946

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