| Valorization of kraft lignin of different molecular weights as surfactant agent for the oil industry N Delgado, F Ysambertt, G Chávez, B Bravo, DE García, J Santos Waste and Biomass Valorization 10, 3383-3395, 2019 | 39 | 2019 |
| Determination of aliphatic alcohols after on-line microwave-assisted derivatization by liquid chromatography-photodiode array detection G Chávez, B Bravo, N Piña, M Arias, E Vivas, F Ysambertt, N Márquez, ... Talanta 64 (5), 1323-1328, 2004 | 29 | 2004 |
| Analysis of polyethoxylated surfactants in microemulsion-oil–water systems: III. Fractionation and partitioning of polyethoxylated alcohol surfactants N Márquez, B Bravo, F Ysambertt, G Chávez, N Subero, JL Salager Analytica Chimica Acta 477 (2), 293-303, 2003 | 29 | 2003 |
| Partitioning of fatty acids in oil/water systems analyzed by HPLC B Bravo, J Sánchez, A Cáceres, G Chávez, F Ysambertt, N Márquez, ... Journal of surfactants and Detergents 11, 13-19, 2008 | 25 | 2008 |
| Reacciones de esterificación-sulfonación asistidas por microondas de ligninas kraft: Influencia de los cambios estructurales sobre la tensión superficial F Ysambertt, N Delgado, T González, B Bravo, G Chávez, N Márquez, ... Ciencia 17 (3), 255-265, 2009 | 21 | 2009 |
| Developing an on-line derivatization of FAs by microwave irradiation coupled to HPLC separation with UV detection B Bravo, G Chávez, N Piña, F Ysambertt, N Márquez, A Cáceres Talanta 64 (5), 1329-1334, 2004 | 19 | 2004 |
| Analysis of polyethoxylated surfactants in microemulsion-oil–water systems N Márquez, B Bravo, G Chávez, F Ysambertt, JL Salager Analytica chimica acta 405 (1-2), 267-275, 2000 | 19 | 2000 |
| Microwave assisted oxidative degradation of lignin with hydrogen peroxide and its tensoactive properties M Infante, F Ysambertt, M Hernández, B Martínez, N Delgado, B Bravo, ... Revista Tecnica De La Facultad De Ingenieria Universidad Del Zulia 30 …, 2007 | 15 | 2007 |
| Analysis of polyethoxylated surfactants in microemulsion–oil–water systems: Part II N Márquez, B Bravo, G Chávez, F Ysambertt, JL Salager Analytica chimica acta 452 (1), 129-141, 2002 | 15 | 2002 |
| Continuous system with microwave irradiation to obtain alkyl benzoates A Cáceres, M Jaimes, G Chávez, B Bravo, F Ysambertt, N Márquez Talanta 68 (2), 359-364, 2005 | 14 | 2005 |
| Isolation and characterization of petroleum sulfonates N Márquez, S Gonzalez, N Subero, B Bravo, G Chavez, R Bauza, ... Analyst 123 (11), 2329-2332, 1998 | 12 | 1998 |
| Estudio de recuperación de vanadio y niquel en un crudo pesado y en su fracción de asfaltenos y maltenos por ICP-OES G Campos, E Rivas, L Sánchez, A Cáceres, B Bravo, G Chávez, ... Ciencia 20 (1), 52-59, 2012 | 9 | 2012 |
| Propiedades tensoactivas de la lignina extraída del “licor negro” modificada por reacciones asistidas por microondas F Ysambertt, T González, N Delgado, B Bravo, G Chávez, A Cáceres, ... Revista cubana de Química 21 (3), 65-75, 2009 | 9 | 2009 |
| Phase behavior of fatty acid/oil/water systems: effect of the alkyl length chain acid B Bravo, N Márquez, F Ysambertt, G Chávez, A Cáceres, R Bauza, ... Journal of surfactants and detergents 9 (2), 141-146, 2006 | 9 | 2006 |
| Esterified lignins from Pinus caribaea as bentonite-dispersing agents N Delgado, F Ysambertt, R Ochoa, G Chávez, B Bravo, J Santos, ... Clay Minerals 53 (1), 41-51, 2018 | 8 | 2018 |
| Evaluation of oil-in-water emulsions with non-ionic and anionic surfactants mixtures for potential use in the oil industry N Delgado, F Ysambertt, C Montiel, G Chávez, A Cáceres, B Bravo, ... Revista Técnica de la Facultad de Ingeniería Universidad del Zulia 30 (2 …, 2007 | 8 | 2007 |
| Estudio de las variables fisicoquímicas en el proceso de micelización de mezclas de surfactantes no-iónicos polietoxilados en la interfase agua/aire. Parte I: efecto de la … GC Narváez, G Arenas, IP Castillo, ML Morillo, B Bravo, F Ysambertt, ... | 5 | 2009 |
| Molecular weight and EON distribution of industrial polyethoxylated surfactants by high performance size exclusion chromatography F Ysambertt, N Subero, G Chávez, B Bravo, R Bauza, N Márquez Separation science and technology 40 (4), 829-843, 2005 | 5 | 2005 |
| Estudio de las fracciones ácidas y básicas extraídas de asfaltenos de un crudo pesado E Vivas, B Bravo, G Chávez Revista Ciencia 10 (4), 419-428, 2002 | 5 | 2002 |
| Síntesis asistida por microondas de derivados acilados de lignina de diferentes masas molares con posible actividad superficial N Delgado, F Ysambertt, G Chávez, B Bravo, N Márquez, J Bullón Avances en Ciencias e Ingeniería 3 (3), 19-31, 2012 | 4 | 2012 |
