Journal
PETROLEUM SCIENCE AND TECHNOLOGY
Volume 35, Issue 2, Pages 134-140Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10916466.2016.1256898
Keywords
Collision energy; GC; MS; MRM-GC; MS; MS; petroleum exploration; terpanes
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A highly sensitive and accurate multiplex gas chromatography-mass spectrometry-mass spectrometry (GC/MS/MS) technique and GC/MS technique are tested for terpanes in a hydrocarbon source rock sample. The terpanes, including tricyclic, tetracyclic, and pentacyclic, were quantified monitoring and identified with the transition m/z (262+14n)191, 330191, and (370+14n)191 by multiple reaction monitoring of GC/MS/MS technique using collision energies of 5-30eV. Results show that collision energies have great influence on tricyclic and pentacyclic terpanes' ratios. After comparing the analysis results by GC/MS, the collision energy for detecting terpanes using the MRM-MS/MS method is optimized at 23eV.
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