Search Results - "Rangel, Mario Duncan"

Fractionation of polar compounds from crude oils by hetero-medium pressure liquid chromatography (H-MPLC) and molecular characterization by ultrahigh-resolution mass spectrometry by Rodrigues Covas, Taynara, Santos de Freitas, Carla, Valadares Tose, Lilian, Valencia-Dávila, Jeferson A., dos Santos Rocha, Ygor, Duncan Rangel, Mario, Cabral da Silva, Rodrigo, Gontijo Vaz, Boniek

“…[Display omitted] •A fractionation protocol of polar compounds by hetero-medium pressure liquid chromatography (H-MPLC) is described.•The DBE profile of polar…”
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Lacustrine versus Marine Oils: Fast and Accurate Molecular Discrimination via Electrospray Fourier Transform Ion Cyclotron Resonance Mass Spectrometry and Multivariate Statistics by Melendez-Perez, Jose Javier, Campos Oliveira, Luan Felipe, Miranda, Nubia, Sussulini, Alessandra, Eberlin, Marcos Nogueira, Bastos, Wagner Leonel, Rangel, Mario Duncan, Rocha, Ygor dos Santos

“…The ionizable molecular composition of 36 lacustrine oil samples and 29 marine oil samples from different off-shore Brazilian basins have been screened by…”
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Evaluation of the effects of the simulated thermal evolution of a Type-I source rock on the distribution of basic nitrogen-containing compounds by Covas, Taynara Rodrigues, Rocha, Ygor dos Santos, Spigolon, André Luiz Durante, Pereira, Rosana Cardoso Lopes, Valencia-Dávila, Jeferson A., Rangel, Mario Duncan, Vaz, Boniek Gontijo

“…[Display omitted] •FT-ICR MS analysis of crude oil in Brazilian lacustrine Type-I kerogen.•Petroleomics reveals changes in the distribution of basic compounds…”
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