The application of perdeuterated polycyclic aromatic hydrocarbons (PAH) as internal standards for the liquid chromatographic determination of PAH in a petroleum crude oil and other complex mixtures
A sequential liquid chromatographic (LC) procedure for the determination of polycyclic aromatic hydrocarbons (PAH) in a petroleum crude oil and other complex mixtures is described. The procedure includes normal-phase LC on an aminosilane column to isolate fractions containing isomeric PAH and reversed-phase LC on a polymeric C/sub 18/ column to separate the individual PAH isomers. Appropriate perdeuterated PAH are added to the sample so that each isomeric fraction will contain one internal standard. The perdeuterated PAH are excellent internal standards for this sequential LC procedure. Perdeuterated PAH have normal-phase and reversed-phase LC retention characteristics similar to those of the parent PAH. In the normal-phase LC separation, the perdeuterated PAH elute in the same fraction as the parent PAH. In the reversed-phase LC separation, the perdeuterated PAH elute first and are generally resolved from the parent PAH.
- Research Organization:
- National Bureau of Standards, Gaithersburg, Maryland
- OSTI ID:
- 6356522
- Journal Information:
- J. Liquid Chromatogr.; (United States), Journal Name: J. Liquid Chromatogr.; (United States) Vol. 8:2; ISSN JLCHD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
023000* -- Petroleum-- Properties & Composition
AROMATICS
CHEMICAL ANALYSIS
CHEMICAL COMPOSITION
CHROMATOGRAPHY
EMISSION SPECTROSCOPY
ENERGY SOURCES
FLUORESCENCE SPECTROSCOPY
FOSSIL FUELS
FUELS
HYDROCARBONS
LIQUID COLUMN CHROMATOGRAPHY
ORGANIC COMPOUNDS
PETROLEUM
PETROLEUM FRACTIONS
POLYCYCLIC AROMATIC HYDROCARBONS
SEPARATION PROCESSES
SPECTROSCOPY