High-resolution mass spectrometric determination of polychlorinated dibenzo-P-dioxins and dibenzofurans using an alternative lockmass system

Autor:	David T. Wang, Otto. Meresz, Vince Y. Taguchi, Eric J. Reiner, Bernard. Hallas
Rok vydání:	1988
Předmět:	Polychlorinated Dibenzodioxins Resolution (mass spectrometry) Chemistry Analytical chemistry High resolution Dioxins Mass spectrometry Mass spectrometric Mass Spectrometry Ion source Analytical Chemistry Ion Polychlorinated Dibenzo-p-dioxins Selected ion monitoring Benzofurans
Zdroj:	Analytical Chemistry. 60:1429-1433
ISSN:	1520-6882 0003-2700
DOI:	10.1021/ac00165a017
Popis:	A high-resolution mass spectrometric selected ion monitoring (HRMS-SIM) methodology for the analysis of all tetra-through octachlorinated dibenzo-p-dioxins (Cl/sub x/DD, x = 4-8) and dibenzofurans (Cl/sub x/DF, x = 4-8) utilizing an alternative lockmass system has been developed at the Ministry of the Environment (MOE). Incorporation of the MOE lockmass system gives an enhancement in sensitivity, easier control of the lockmass concentration in the ion source, and greater resolution between the lockmass and the sample ion signals than dose the conventional perfluorokerosene (PFK) lockmass system. In addition, the method can be adapted to any sector instrument having a similar lockmass facility and to any HRMS-SIM analysis with the appropriate choice of reference standards. A comparison of the MOE and PFK systems is reported.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ccee712fb9ff88f123c5e4934e66748 https://doi.org/10.1021/ac00165a017 Zobrazit plný text záznamu