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Title: Comparative analysis of dioxins and furans in ambient air by high-resolution and electron-capture mass spectrometry

Abstract

Known mixtures and unknown atmospheric sample extracts containing polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/F) were analyzed by both electron impact, high resolution, mass spectrometry (HRMS) and by electron capture, negative ion, low resolution mass spectrometry (ECNI). PCDD/F concentrations measured by the two methods were comparable, typically agreeing with + or - 33%. The major difference between the two techniques is that HRMS easily detects 2,3,7,8- tetrachlorodibenzo-p-dioxin but ECNI does not. Results suggest that ECNI can be a sensitive low cost alternative to HRMS for the determination of PCDD/F concentrations.

Authors:
; ;
Publication Date:
Research Org.:
Indiana Univ., Bloomington, IN (United States)
OSTI Identifier:
7264138
Report Number(s):
PB-92-206440/XAB
CNN: EPA-R-812588
Resource Type:
Technical Report
Resource Relation:
Other Information: Pub. in Chemosphere, v24 n4 p421-426 1992. Sponsored by Environmental Protection Agency, Research Triangle Park, NC. Atmospheric Research and Exposure Assessment Lab
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; DIOXIN; MASS SPECTROSCOPY; FURANS; ACCURACY; AIR POLLUTION; COMPARATIVE EVALUATIONS; ELECTRON CAPTURE; RESOLUTION; TOXIC MATERIALS; CAPTURE; EVALUATION; HAZARDOUS MATERIALS; HETEROCYCLIC COMPOUNDS; MATERIALS; ORGANIC COMPOUNDS; ORGANIC OXYGEN COMPOUNDS; POLLUTION; SPECTROSCOPY; 540120* - Environment, Atmospheric- Chemicals Monitoring & Transport- (1990-)

Citation Formats

Koester, C J, Harless, R L, and Hites, R A. Comparative analysis of dioxins and furans in ambient air by high-resolution and electron-capture mass spectrometry. United States: N. p., 1992. Web.
Koester, C J, Harless, R L, & Hites, R A. Comparative analysis of dioxins and furans in ambient air by high-resolution and electron-capture mass spectrometry. United States.
Koester, C J, Harless, R L, and Hites, R A. 1992. "Comparative analysis of dioxins and furans in ambient air by high-resolution and electron-capture mass spectrometry". United States.
@article{osti_7264138,
title = {Comparative analysis of dioxins and furans in ambient air by high-resolution and electron-capture mass spectrometry},
author = {Koester, C J and Harless, R L and Hites, R A},
abstractNote = {Known mixtures and unknown atmospheric sample extracts containing polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/F) were analyzed by both electron impact, high resolution, mass spectrometry (HRMS) and by electron capture, negative ion, low resolution mass spectrometry (ECNI). PCDD/F concentrations measured by the two methods were comparable, typically agreeing with + or - 33%. The major difference between the two techniques is that HRMS easily detects 2,3,7,8- tetrachlorodibenzo-p-dioxin but ECNI does not. Results suggest that ECNI can be a sensitive low cost alternative to HRMS for the determination of PCDD/F concentrations.},
doi = {},
url = {https://www.osti.gov/biblio/7264138}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Jan 01 00:00:00 EST 1992},
month = {Wed Jan 01 00:00:00 EST 1992}
}

Technical Report:
Other availability
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