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Analytical procedures for the determination of polychlorinated-p-dioxins, polychlorinated dibenzofurans, and hexachlorobenzene in pentachlorophenol. 2010

Yves Tondeur, and Terry Nestrick, and Héctor A Silva, and Bryan Vining, and Jerry Hart
Analytical Perspectives, 2714 Exchange Drive, Wilmington, NC 28405, USA. yt@ultratrace.com

A method for the determination of all polychlorinated dibenzo-p-dioxin (PCDDs) and polychlorinated dibenzofurans (PCDFs), and hexachlorobenzene (HCB) contained in production batches of pentachlorophenol (PCP) samples is presented. The method uses two sub-samples of the PCP sample to provide an effective dynamic range of 1:40,000,000. Following extraction of the samples and fractionation of the sample extracts, the extracts are analyzed by HRGC/HRMS, and the resulting data from both sub-samples are combined to generate the final data for each sample. Data from the analysis of 47 samples using this method are presented and show a ratio of concentrations of octachlorinated dibenzofuran (OCDF) to 2,3,7,8-tetrachlorinated dibenzofuran (TCDF) of approximately 4,000,000:1. The results show that four congeners dominate the ITEQ, which has an average value of 634 microg kg(-1) (429 microg kg(-1) WHO 2005 TEQ) in those samples.

UI MeSH Term Description Entries
D010416 Pentachlorophenol An insecticide and herbicide that has also been used as a wood preservative. Pentachlorphenol is a widespread environmental pollutant. Both chronic and acute pentachlorophenol poisoning are medical concerns. The range of its biological actions is still being actively explored, but it is clearly a potent enzyme inhibitor and has been used as such as an experimental tool. Sodium Pentachlorophenate,Pentachlorophenate, Sodium
D002623 Chemistry Techniques, Analytical Methodologies used for the isolation, identification, detection, and quantitation of chemical substances. Analytical Chemistry Techniques,Analytical Chemistry Methods,Analytical Chemistry Method,Analytical Chemistry Technique,Chemistry Method, Analytical,Chemistry Methods, Analytical,Chemistry Technique, Analytical,Method, Analytical Chemistry,Methods, Analytical Chemistry,Technique, Analytical Chemistry,Techniques, Analytical Chemistry
D006581 Hexachlorobenzene An agricultural fungicide and seed treatment agent. HCB
D000072317 Polychlorinated Dibenzodioxins Dibenzodioxin derivatives that contain multiple chloride atoms bound to the benzene ring structures. TCDD,Tetrachlorodibenzodioxin,2,3,7,8-Tetrachlorodibenzo-p-dioxin,Chlorinated Dibenzo-p-dioxins,Dibenzo(b,e)(1,4)dioxin, 2,3,7,8-tetrachloro-,PCDD,Polychlorinated Dibenzo-p-dioxins,Polychlorinated Dibenzodioxin,Polychlorodibenzo-4-dioxin,Polychlorodibenzo-p-dioxin,Tetrachlorodibenzo-p-dioxin,Chlorinated Dibenzo p dioxins,Dibenzo-p-dioxins, Chlorinated,Dibenzo-p-dioxins, Polychlorinated,Dibenzodioxin, Polychlorinated,Dibenzodioxins, Polychlorinated,Polychlorinated Dibenzo p dioxins,Polychlorodibenzo 4 dioxin,Polychlorodibenzo p dioxin,Tetrachlorodibenzo p dioxin
D000072338 Dibenzofurans, Polychlorinated Dibenzofurans that contain chloride atoms bound to the aromatic rings of the structure. Chlorinated Dibenzofurans,Chlorodibenzofurans,Polychlorinated Dibenzofurans,Dibenzofurans, Chlorinated
D001572 Benzofurans Compounds that contain a BENZENE ring fused to a furan ring. Coumarones,Diphenylbenzofuran

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