Abstract
A simple and rapid procedure for the separation and determination of a number of polycyclic aromatic hydrocarbons (PAHs) in environmental dust samples is described. An ultrasonic extraction method was used to separate the organic compounds from the dust particles. Only small amounts of dust and solvents are needed and the extraction requires only a few minutes. Compounds that would interfere in UV detection after high-performance liquid chromatography (HPLC) are separated from the aromatic fraction by preparative thin-layer chromatography on silica gel. The chromatographic behaviour of the carcinogenic hydrocarbons on several stationary phases in HPLC was investigated. A comparison of the chromatographic data showed that silica gel chemically modified with NO 2 groups gives the best selectivity. Nanogram amounts of PAHs were easily detected by using a UV monitor.
Published Version
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
