Analysis of C1–C16 Hydrocarbons Using Dual-Column Capillary GC: ...

Published: Journal of Chromatographic Science, Volume 33, Number 1, January 1995, pp. 34-48.

Analysis of C₁–C₁₆ Hydrocarbons Using Dual-Column Capillary GC: Application to Exhaust Emissions from Passenger Car and Motorcycle Engines
C.A. Jemma, P.R. Shore, and K.A. Widdicombe

A method for the quantitative analysis of individual hydrocarbons in the C₁–C₁₆ range emitted in engine exhaust gases is described. A dual-column capillary gas chromatograph is used, which provides analysis of C₁–C₉ species on a porous-layer open-tubular alumina column and analysis of C₈–C₁₆ species on a CP-SIL 8 column. Some typical results are presented from the analysis of gasoline, diesel, and 2-stroke motorcycle exhaust. However, the main purpose of the paper is to discuss practical issues related to the analysis of exhaust gases by capillary gas chromatography, including methods of calibration, coelutions, sensitivity, long-term repeatability, and range of applicability.

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