Community Research and Development Information Service - CORDIS

Abstract

Supercritical fluid extraction (SFE) was compared with conventional soxhlet extraction in terms of recovery and ease of use for a fast determination of polycyclic aromatic hydrocarbons (PAH) in creosoted timber. The extracts were analyzed without further sample clean-up with gas chromatography/mass spectrometry (GC-MS).

For PAHs of higher molecular weight, SFE extraction was shown to be a good alternative to soxhlet extraction, resulting in recovery rates of about 80% to 95% in respect to soxhlet extraction. SFE required smaller amounts of sample, less solvent and less extraction and clean-up time was necessary. Best extraction results were obtained at the highest possible extraction temperature of 120 C and highest possible pressure of 376 bar. .

Additional information

Authors: LIENERT D, JRC Ispra (IT);AMMIRATA S, JRC Ispra (IT);MÜLLER A, JRC Ispra (IT);ANKLAM E, JRC Ispra (IT)
Bibliographic Reference: Paper presented: 1995
Availability: Available from (1) as Paper EN 39275 ORA
Record Number: 199512156 / Last updated on: 1996-01-26
Category: PUBLICATION
Original language: en
Available languages: en