Petroleum Biomarkers and Tarballs at the 36th International Symposium on Capillary Chromatography and the 9th GCxGC Symposium

I’d like to invite my colleagues to a preliminary view of an upcoming presentation in Riva del Garda, Italy for the 36th International Symposium on Capillary Chromatography and the 9th GCxGC Symposium.  We’ve been working on characterizing tarballs that could have originated from the Deepwater Horizon oil spill in the Gulf of Mexico in 2010.  The key to matching a source oil and a tarball that may be highly weathered through water washing, evaporation, biodegradation, etc., is to look at compounds such as steranes and hopanes that are resistant to weathering.  To get a flavor for what I’m talking about, check out the steranes and hopanes region for “unmatched” oils below that were analyzed using GCxGC-TOFMS.  It’s easy to see the differences here and un-matching is easier than matching, typically, for this oil spill fingerprinting work. 

More on the tarballs later…   

HIGHLY EFFICIENT ANALYSIS OF PETROLEUM BIOMARKERS IN CRUDE OIL FROM THE DEEPWATER HORIZON OIL SPILL AND GULF BEACH TARBALLS WITH A TRUE PEAK CAPACITY INCREASE GC×GC-TOFMS SYSTEM

Jack Cochran, Michelle Misselwitz, Barry Burger, Chris English, Ron Stricek (Restek); Mark Merrick (LECO Corporation)

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