Publication - Journal Article Chemical Characterization of Crude Petroleum Using Nanospray Desorption Electrospray Ionization Coupled with High-Resolution Mass Spectrometry DOI https://doi.org/10.1021/ac202801g Journal Article Analytical Chemistry, vol. 84, iss. 3, pp. 1517-1525, 2012 Authors Peter A. Eckert, Patrick J. Roach, Alexander Laskin, Julia Laskin Language English