Determination of PAH in airborne particulates using gel permeation chromatography and HPLC - fluorescence - UV

Gaston J. C. Wu, M. G. Chang

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A method based on gel permeation chromatography as sample clean-up followed by HPLC - fluorescence - UV is successfully developed for measuring the contents of 16 PAHs in airborne particulate after Soxhlet extraction of the samples. The clean-up process is proved to be efficient by the analysis of SRM from NIST. The HPLC is operated at gradient steps with constant flow followed by UV and optimized multi-step fluorescence detection. A complete run of HPLC requires less than 30 minutes with satisfactory resolution. The detection limits obtained with UV detection ranged from 0.017 to 2.542 ng/m3, and those of fluorescence are from 0.001 to 0.044 ng/m3. Precision of measurement is within 9.0%. This method is applied to monitor the PAH contents is the airborne particulate samples collected in Taipei city at ten different sampling sites with particle size distribution measurements.

Original languageEnglish
Pages (from-to)1525-1556
Number of pages32
JournalJournal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering
Volume32
Issue number5
Publication statusPublished - 1997 Dec 1

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Gel permeation chromatography
Polycyclic aromatic hydrocarbons
Fluorescence
Particle size analysis
Sampling

Keywords

  • Air Pollution
  • Airborne Particulate
  • Fluorescence
  • Gel Permeation Chromatography
  • HPLC
  • PAH
  • Taipei

ASJC Scopus subject areas

  • Environmental Engineering

Cite this

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abstract = "A method based on gel permeation chromatography as sample clean-up followed by HPLC - fluorescence - UV is successfully developed for measuring the contents of 16 PAHs in airborne particulate after Soxhlet extraction of the samples. The clean-up process is proved to be efficient by the analysis of SRM from NIST. The HPLC is operated at gradient steps with constant flow followed by UV and optimized multi-step fluorescence detection. A complete run of HPLC requires less than 30 minutes with satisfactory resolution. The detection limits obtained with UV detection ranged from 0.017 to 2.542 ng/m3, and those of fluorescence are from 0.001 to 0.044 ng/m3. Precision of measurement is within 9.0{\%}. This method is applied to monitor the PAH contents is the airborne particulate samples collected in Taipei city at ten different sampling sites with particle size distribution measurements.",
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