title: Simplified determination of polycyclic aromatic hydrocarbons.
abstract: Accurate quantitative analysis for selected polycyclic aromatic hydrocarbons present on urban dust can be obtained by using a simple procedure consisting of sonic-probe extraction with cyclohexane; clean-up with Florisil((R))-XAD-4((R)), and measurement by high-resolution gas chromatography with flame-ionization detection (HRGC/FID). The analysis can be further simplified by eliminating the clean-up step if HRGC/electron-impact mass-spectrometry (MS) is available. Both the FID and MS methods give results consistent with those obtained by standard procedures. The direct HRGC/MS procedure, combined with chemical ionization, can also be applied to the determination of polycyclic organic materials present in solvent-refined coal, shale oil and crude oil.
authors.affiliation: Ames Laboratory-USDOE, Iowa State University, Ames, IA 50011, U.S.A.
authors.forename: M J
authors.initials: MJ
authors.lastname: Avery
authors.forename: J J
authors.initials: JJ
authors.lastname: Richard
authors.forename: G A
authors.initials: GA
authors.lastname: Junk