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Updated: Jul 17, 2026

On-line Analysis of Nitrogen Containing Compounds in Complex Hydrocarbon Matrixes
Published on: August 5, 2016
Routine determination of benzo[a]pyrene at part-per-billion in complex industrial matrices by multidimensional liquid
C Champmartin1, P Simon, Ph Delsaut
1Institut National de Recherche et de Sécurité, Avenue de Bourgogne, 54501 Vandoeuvre Cedex, France. catherine.champmartin@inrs.fr
Abstract:
A rapid and selective high performance liquid chromatography (HPLC) method using a column-switching technique has been developed for the determination of benzo[a]pyrene in complex mixtures containing polycyclic aromatic hydrocarbons. The diluted sample is directly injected into the chromatographic system without pre-treatment. The purification is performed on-line using three cleaning columns filled with various stationary phases. The sample preparation, a simple dilution, and the analysis time do not exceed 45 min. The method developed was used to analyze industrial products such as oil, bitumen, etc. and was compared with an off-line method requiring treatment and extraction steps before the analysis.
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