Characterization of deasphalted crude oils using gas chromatography–atmospheric pressure laser ionization–trapped ion mobility spectrometry–time-of-flight mass …

CA Olanrewaju, CE Ramirez, F Fernandez-Lima - Energy & Fuels, 2021 - ACS Publications
In the present work, a novel workflow based on complementary gas-phase separations is
applied to the characterization of deasphalted light (Macondo and Calvert), medium (Duri) …

Identification of about 30 000 chemical components in shale oils by electrospray ionization (ESI) and atmospheric pressure photoionization (APPI) coupled with 15 T …

EJ Bae, JG Na, SH Chung, HS Kim, S Kim - Energy & Fuels, 2010 - ACS Publications
The molecular composition of two shale oils (from US Western and Russian Slanet mines)
was studied using 15 T Fourier transform ion cyclotron resonance mass spectrometry (FT …

Quantitative molecular composition of heavy petroleum fractions: A case study of fluid catalytic cracking decant oil

H Li, Y Zhang, C Xu, S Zhao, KH Chung, Q Shi - Energy & Fuels, 2020 - ACS Publications
High-resolution mass spectrometry enables molecular characterization of heavy petroleum
fractions for petroleomics research. However, results from mass spectrometry are usually not …

Increasing polyaromatic hydrocarbon (PAH) molecular coverage during fossil oil analysis by combining gas chromatography and atmospheric-pressure laser …

P Benigni, JD DeBord, CJ Thompson, P Gardinali… - Energy & …, 2016 - ACS Publications
Thousands of chemically distinct compounds are encountered in fossil oil samples that
require rapid screening and accurate identification. In the present paper, we show for the …

Characterization of heteroatom compounds in a crude oil and its saturates, aromatics, resins, and asphaltenes (SARA) and non-basic nitrogen fractions analyzed by …

Q Shi, D Hou, KH Chung, C Xu, S Zhao, Y Zhang - Energy & Fuels, 2010 - ACS Publications
A Liaohe crude oil was separated as saturates, aromatics, resins, and asphaltenes (SARA)
and neutral nitrogen fractions. The crude oil and its subfractions were analyzed by negative …

Comprehensive Compositional Analysis of Heavy Oil Using Fourier Transform Ion Cyclotron Resonance Mass Spectrometry and a New Data Analysis Protocol

K Katano, S Teratani, T Suzuki, R Tanaka, H Kato… - Energy & …, 2021 - ACS Publications
A sequential method that deterministically estimates the molecular composition of heavy oil
is reported. A sample of vacuum residua is preseparated into seven fractions: saturated (Sa) …

Characterization of saturates, aromatics, resins, and asphaltenes heavy crude oil fractions by atmospheric pressure laser ionization Fourier transform ion cyclotron …

A Gaspar, E Zellermann, S Lababidi, J Reece… - Energy & …, 2012 - ACS Publications
In this study, a heavy crude oil sample was separated on the basis of solubility and polarity,
resulting in saturates, aromatics, resins, and asphaltenes (SARA) fractions. The fractions …

Characterization of deasphalted heavy fuel oil using APPI (+) FT-ICR mass spectrometry and NMR spectroscopy

AGA Jameel, A Khateeb, AM Elbaz, AH Emwas… - Fuel, 2019 - Elsevier
Asphaltenes are n-alkane insoluble compounds found in crude oils and heavy fuels (high
and non-boiling petroleum fractions). Asphaltene molecular structure has not been fully …

Comprehensive screening of polycyclic aromatic hydrocarbons and similar compounds using GC–APLI–TIMS–TOFMS/GC–EI–MS

CA Olanrewaju, CE Ramirez… - Analytical …, 2021 - ACS Publications
In the present work, a novel workflow based on complementary gas-phase separations for
the identification of isomeric PAHs from complex mixtures is described. This is the first report …

Identification and quantitation of linear alkanes in lubricant base oils by using GC× GC/EI TOF mass spectrometry

J Manheim, K Wehde, WTJ Zhang… - Journal of The …, 2019 - ACS Publications
Linear alkanes are a class of compounds known to negatively affect the physical
performance of lubricant base oils. The ability to rapidly identify and quantify linear alkanes …