Light Crude Oil Fingerprinting from Six Different Global Regions

contributed by Leco | 06/17/2013

The complex nature of crude oil demands analytical solutions and instrumental methods that will separate and identify the complex chemical profile as well as characterize key chemical functional group class differences between complex samples. Comprehensive two-dimensional gas chromatography (GCxGC) expands the peak capacity of the chromatographic separation thereby increasing resolution and analyte characterization for complicated samples. Time-of-Flight mass spectrometry (TOFMS) offers continuous full range non-skewed mass spectral information and fast acquisition rates ideal for analyte identification of complex mixtures.

This application note shows GCxGC-TOFMS data from the comparative analysis of six light crude oil standards from different global regions. A GCxGC-TOFMS analysis method was developed that utilizes variable modulation to maximize the available peak capacity of the second dimension. Comprehensive two-dimensional chromatography facilitates structured separation of functional group classes within the GCxGC chromatographic plane.

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