Study of Colombian coals using photoacoustic Fourier transform infrared spectroscopy JA Orrego-Ruiz, R Cabanzo, E Mejía-Ospino International Journal of Coal Geology 85 (3-4), 307-310, 2011 | 161 | 2011 |
Prediction of the SARA analysis of Colombian crude oils using ATR–FTIR spectroscopy and chemometric methods LV Melendez, A Lache, JA Orrego-Ruiz, Z Pachón, E Mejía-Ospino Journal of Petroleum Science and Engineering 90, 56-60, 2012 | 117 | 2012 |
Exploring occluded compounds and their interactions with asphaltene networks using high-resolution mass spectrometry ML Chacon-Patino, SJ Vesga-Martinez, C Blanco-Tirado, JA Orrego-Ruiz, ... Energy & Fuels 30 (6), 4550-4561, 2016 | 84 | 2016 |
Tracing the compositional changes of asphaltenes after hydroconversion and thermal cracking processes by high-resolution mass spectrometry ML Chacón-Patiño, C Blanco-Tirado, JA Orrego-Ruiz, A Gómez-Escudero, ... Energy & Fuels 29 (10), 6330-6341, 2015 | 74 | 2015 |
High Resolution Mass Spectrometric View of Asphaltene–SiO2 Interactions ML Chacón-Patiño, C Blanco-Tirado, JA Orrego-Ruiz, A Gómez-Escudero, ... Energy & Fuels 29 (3), 1323-1331, 2015 | 52 | 2015 |
Improving compositional space accessibility in (+) APPI FT-ICR mass spectrometric analysis of crude oils by extrography and column chromatography fractionation D Giraldo-Dávila, ML Chacón-Patiño, JA Orrego-Ruiz, C Blanco-Tirado, ... Fuel 185, 45-58, 2016 | 49 | 2016 |
Structural study of colombian coal by fourier transform infrared spectroscopy coupled to attenuated total reflectance (FTIR-ATR) JA Orrego, R Cabanzo Hernández, E Mejía-Ospino Revista mexicana de física 56 (3), 251-254, 2010 | 39 | 2010 |
Identification of refractory weakly basic nitrogen compounds in a deeply hydrotreated vacuum gas oil and assessment of the effect of some representative species over the … CM Celis-Cornejo, DJ Pérez-Martínez, JA Orrego-Ruiz, ... Energy & Fuels 32 (8), 8715-8726, 2018 | 35 | 2018 |
APPI (+)-FTICR mass spectrometry coupled to partial least squares with genetic algorithm variable selection for prediction of API gravity and CCR of crude oil and vacuum residues DCP Lozano, JA Orrego-Ruiz, RC Hernández, JE Guerrero, ... Fuel 193, 39-44, 2017 | 35 | 2017 |
Distribution of oxygen-containing compounds and its significance on total organic acid content in crude oils by ESI negative ion FT-ICR MS FA Rojas-Ruiz, JA Orrego-Ruiz Energy & Fuels 30 (10), 8185-8191, 2016 | 31 | 2016 |
Mid-infrared Attenuated Total Reflectance (MIR-ATR) predictive models for asphaltene contents in vacuum residua: asphaltene structure–functionality correlations based on … JA Orrego-Ruiz, A Guzmán, D Molina, E Mejía-Ospino Energy & Fuels 25 (8), 3678-3686, 2011 | 30 | 2011 |
Reconstruction of a synthetic crude oil using petroleomics and molecular dynamics simulations: A multistructural approach to understanding asphaltene aggregation behavior I Moncayo-Riascos, FA Rojas-Ruiz, JA Orrego-Ruiz, C Cundar, RG Torres, ... Energy & Fuels 36 (2), 837-850, 2022 | 25 | 2022 |
Combination of negative electrospray ionization and positive atmospheric pressure photoionization Fourier transform ion cyclotron resonance mass spectrometry as a quantitative … JA Orrego-Ruiz, A Gomez-Escudero, FA Rojas-Ruiz Energy & Fuels 30 (10), 8209-8215, 2016 | 24 | 2016 |
Analysis of the molecular weight distribution of vacuum residues and their molecular distillation fractions by laser desorption ionization mass spectrometry DCP Lozano, JA Orrego-Ruiz, MP Barrow, RC Hernandez, ... Fuel 171, 247-252, 2016 | 23 | 2016 |
Detailed characterization of petroleum sulfonates by Fourier transform ion cyclotron resonance mass spectrometry FA Rojas-Ruiz, A Gomez-Escudero, Z Pachon-Contreras, A Villar-Garcia, ... Energy & Fuels 30 (4), 2714-2720, 2016 | 17 | 2016 |
Composition to interfacial activity relationship approach of petroleum sulfonates by fourier transform ion cyclotron resonance mass spectrometry FA Rojas-Ruiz, MF Rueda, Z Pachon-Contreras, A Villar-Garcia, ... Energy & Fuels 30 (6), 4717-4724, 2016 | 14 | 2016 |
Exploring compositional changes along in situ combustion and their implications on emulsion stabilization via Fourier transform ion cyclotron resonance mass spectrometry (FT … FA Rojas-Ruiz, H Bottia-Ramirez, L Rodríguez-Rodríguez, ... Energy & Fuels 31 (11), 11995-12003, 2017 | 12 | 2017 |
Characterization of vacuum gas oils using FT-ICR MS A Gómez-Escudero, FA Rojas-Ruíz, JA Orrego-Ruíz CT&F-Ciencia, Tecnología y Futuro 6 (1), 69-80, 2015 | 12 | 2015 |
Characterization of Petroleum Compounds Adsorbed on Solids by Infrared Spectroscopy and Mass Spectrometry S Villabona-Estupiñan, FA Rojas-Ruiz, JL Pinto-Camargo, EJ Manrique, ... Energy & Fuels 34 (5), 5317-5330, 2020 | 11 | 2020 |
Finding a relationship between the composition and the emulsifying character of asphaltenes through FTICR-MS FA Rojas-Ruiz, JA Orrego-Ruiz CT&F-Ciencia, Tecnología y Futuro 8 (1), 45-52, 2018 | 11 | 2018 |