Chemical characterization of petroleum is a challenging task due to its inherently complex
nature. For example, crude oil is believed to have as many or more compounds than the …

Given the ill-defined term “naphthenic acids”(NAs), we will classify NAs as the carboxylic
acids found naturally in crude oil, which include both classic NAs (c-NAs, monoacids) and ox …

Recent advances in instrumentation for high-field Fourier transform ion cyclotron resonance
mass spectrometry (FT-ICR MS) have enabled access to∼ 70 000 unique molecular …

Among the different types of available high-resolution mass spectrometers, Fourier transform
ion cyclotron resonance mass spectrometry (FT-ICR MS) and Orbitrap-MS are important …

252 literature sources and about 5000 crude oil assays were reviewed in this work. The
review has shown that the petroleum characterization can be classified in three categories …

After the wide oil spill reached the northeast of Brazil, the resurgence of oil was recorded
and to evaluate this oil in detail, two samples collected in the state of Pernambuco in 2019 …

The performance of the high-field MegaOrbitrap Fourier transform mass spectrometer (FT-
MS) with electrospray ionization (ESI) was evaluated to perform petroleum sample …

In this contribution, we use high-resolution mass spectrometry to unveil the molecular
composition of occluded compounds inside Colombian asphaltenes macrostructures. We …

The review discusses the achievements of the last 5 years in the field of using mass
spectrometry for the analysis of crude oils and some oil refining products. The presented …

Five heavily biodegraded tar sand bitumens from an oil column were separated into maltene
and asphaltene fractions for analysis by negative-ion electrospray (ESI) Fourier transform …