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Importance of asphaltene aggregation in solution in determining the adsorption of this sample on mineral surfaces
ArticleAbstract: Adsorption rate constants and adsorption isotherms on silica have been obtained for toluene solutionPalabras claves:Adsorption, aggregation, Asphaltenes, kineticsAutores:Acevedo S., Castillo J., Fernández A.J., García C., Goncalvez S., Manuel Caetano, Ranaudo M.A.Fuentes:scopusInexpensive Wilhelmy balance based in a fiber optic sensor for the study of Langmuir films
ArticleAbstract: An inexpensive Wilhelmy balance based on a fiber optic sensor capable of sensitive surface tension mPalabras claves:Autores:Castillo J., Chirinos J., Gutírrez H., Manuel CaetanoFuentes:scopusInfluence of experimental parameters on the determination of asphaltenes flocculation onset by the titration method
ArticleAbstract: The present work studied the effects of crude oil solution concentration, reservoir temperature, andPalabras claves:Autores:Castillo J., Chirinos J., Fernández A.J., Manuel Caetano, Marcano F., Ocanto O., Ranaudo M.A.Fuentes:scopusTrace Level Vanadium Determination Using Thermal Lens Spectrophotometry
ArticleAbstract: Trace level vanadium determination is reported using a dual beam thermal lens spectrometer. The therPalabras claves:Optimization, spectrophotometry, Thermal lens, Trace analysis, Vanadium analysisAutores:Castillo J., Fernández A.J., Gutiérrez H., Manuel Caetano, Padrino T L.Fuentes:scopusUse of laser techniques for the study of asphaltene aggregation and adsorption
ArticleAbstract:Palabras claves:Adsorption, Asphaltenes, LÁSERAutores:Acevedo S., Castillo J., Fernández A.J., Manuel Caetano, Ranaudo M.A.Fuentes:scopusSecond harmonic generation studies of metal and non-metal porphyrins at silica surfaces
Conference ObjectAbstract: Resonant molecular optical second harmonic generation (SHG) was obtained from [2, 3, 7, 8, 12, 13, 1Palabras claves:Autores:Castillo J., Echevarría L., Manuel Caetano, Piscitelli V., Scott C.Fuentes:scopusThermo-optical studies of asphaltene solutions: Evidence for solvent-solute aggregate formation
ArticleAbstract: Thermo-optical diffusivities, D, were measured for Hamaca, Cerro Negro and Furrial asphaltenes in boPalabras claves:Autores:Acevedo S., Castillo J., Fernández A.J., Manuel Caetano, Pereira J., Pérez P., Ranaudo M.A.Fuentes:scopus