Search Results - "EHRMANN, Ursula"

Using the Gas Pycnometer to Determine API Gravity in Crude Oils and Blends by Strubinger, Adelitza, Ehrmann, Ursula, León, Vladimir

“…In the petroleum industry, the implementation of new methodologies requires a validation procedure in order to guarantee compliance with the specifications…”
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Using the Gas Pycnometer to Determine API Gravity in Crude Oils and Blends by STRUBINGER, Adelitza, EHRMANN, Ursula, LEON, Vladimir

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Characterization of Acid-Soluble Oxidized Asphaltenes by Fourier Transform Ion Cyclotron Resonance Mass Spectrometry: Insights on Oxycracking Processes and Asphaltene Structural Features by Silva, Renzo C, Radović, Jagoš R, Ahmed, Farouq, Ehrmann, Ursula, Brown, Melisa, Carbognani Ortega, Lante, Larter, Steve, Pereira-Almao, Pedro, Oldenburg, Thomas B. P

“…The dissolution of organic matter into water via oxidative processes, named oxycracking, has been practiced for a long time for the removal of organic…”
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Changes in Venezuelan Orinoco belt crude after different biotechnological approaches by Strubinger, Adelitza, Ehrmann, Ursula, León, Vladimir, DeSisto, Angela, González, Meralys

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STUDIES ON LARGE CRUDE OIL ALKANES. II. ISOLATION AND CHARACTERIZATION OF AROMATIC WAXES AND WAXY ASPHALTENES by Carbognani, Lante, DeLima, Lola, Orea, Miguel, Ehrmann, Ursula

“…Isolation of very large alkane components as described in the first paper within this series, fail in some cases. This work describes two non-routine isolation…”
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New developments in portable fast gas chromatography by Ehrmann, Elena Ursula

“…Currently commercially available portable gas chromatographs are suitable only for the analysis of volatile organic compounds, and do not include temperature…”
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