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Luis B. Gutiérrez

Central University of Venezuela

17

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620

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Molecular Weight of Petroleum Asphaltenes: A Comparison between Mass Spectrometry and Vapor Pressure Osmometry

2005 Energy & Fuels
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Asphaltenes and other natural surfactants from Cerro Negro crude oil. Stepwise adsorption at the water/ toluene interface : Film formation and hydrophobic effects

2005 Energy & Fuels
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Structural analysis of soluble and insoluble fractions of asphaltenes isolated using the PNP method. relation between asphaltene structure and solubility

2004 Energy & Fuels
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ADSORPTION OF HIGH AND LOW MOLECULAR WEIGHT NATURAL SURFACTANTS AT THE CRUDE WATER-OIL INTERFACE AND THEIR INFLUENCE ON GAMMA -PH AND GAMMA -TIME BEHA VIOR

1996 Surfactant science series
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Upgrading of Orinoco Belt crude oil and its fractions by an electrochemical system in the presence of protonating agents

1996 Fuel Processing Technology
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Adsorption of asphaltenes and resins on organic and inorganic substrates and their correlation with precipitation problems in production well tubing

1995 Fuel
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A Unified View of the Colloidal Nature of Asphaltenes

1995
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DISCOTIC SHAPE OF ASPHALTENES OBTAINED FROM G.P.C. DATA

1994 Fuel
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Interfacial rheological studies of extra-heavy crude oils and asphaltenes: Role of the dispersion effect of resins in the adsorption of asphaltenes at the interface of water-in-crude oil emulsions☆

1993 Colloids and Surfaces A: Physicochemical and Engineering Aspects
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Synthesis and isolation of octylated asphaltene standards for calibration of g.p.c. columns and determination of asphaltene molecular weights

1992
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