Presentation Profile
Petroleum Biomarkers Around the World: Fingerprinting Crude Oils
Currently Scheduled: 10/15/2019 - 10:50 AM - 11:10 AM
Room: South Lobby
Main Author
Christina Kelly - LECO Corporation
Abstract:
The type and concentration of different hopane and sterane structures can provide unique identifiers for specific oil sources. Crude oil samples collected from different continents are compared using a comprehensive two-dimensional gas chromatography time-of-flight mass spectrometry system (GCxGC-TOFMS) equipped with a new, robust, and easy-to-use flow-based modulator. Resolution of multi-ringed hopanes and steranes from straight-chained and branched alkanes is achieved using the power of a second dimension of chromatographic separation. Using TOFMS with better-than-nominal mass resolution allows for more confident differentiation of each biomarker, providing the option for matching full mass range spectra to both commercial and user-generated spectral libraries.
