Detector for particulate polycyclic aromatic hydrocarbons in water

Jane Levinson, Chanan Sluszny, Yakov Yasman, Valery Bulatov, Israel Schechter*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

It is estimated that most polycyclic aromatic hydrocarbons (PAHs) in environmental water are not dissolved but rather in particulate form. Nevertheless, the currently available optical detectors are not suited for proper sampling of solid PAHs. A new setup for direct sampling and quantification of suspended particulate PAHs in water is suggested. It is based on a polymeric film that has the capability of dissolving PAH particulates, coupled to a traditional laser-induced fluorescence probe. Kinetics and performance of two sampling modes have been studied: bulk sampling, by immersing the probe into the water, and surface sampling, by laying the film on the water surface. The latter method has proved to be more sensitive; however, it is diffusion-limited. Linear calibration plots have provided quantification over a wide concentration range with detection limits in the ppb range (these could be improved by using a modified probe). The effects due to other particulates in water have been studied and only little interferences have been observed. The possibility of analysis of PAH mixtures has been addressed and it has been concluded that multivariate analysis is needed.

Original languageEnglish
Pages (from-to)1584-1591
Number of pages8
JournalAnalytical and Bioanalytical Chemistry
Volume381
Issue number8
DOIs
StatePublished - Apr 2005
Externally publishedYes

Keywords

  • Analysis
  • Detector
  • Hydrosol
  • PAH
  • Water

Fingerprint Dive into the research topics of 'Detector for particulate polycyclic aromatic hydrocarbons in water'. Together they form a unique fingerprint.

Cite this