A review of applications of NMR spectroscopy in the petroleum industry

JC Edwards - 2011 - asmedigitalcollection.asme.org
NUCLEAR MAGNETIC RESONANCE (NMR) SPECTROSCOPY HASbeen applied to
petroleum chemistry since the first days of its commercial existence. Petroleum companies …

Effects of fuel aromatic content on nonvolatile particulate emissions of an in-production aircraft gas turbine

BT Brem, L Durdina, F Siegerist, P Beyerle… - … science & technology, 2015 - ACS Publications
Aircraft engines emit particulate matter (PM) that affects the air quality in the vicinity of
airports and contributes to climate change. Nonvolatile PM (nvPM) emissions from aircraft …

[HTML][HTML] Quality control of gasoline by 1H NMR: aromatics, olefinics, paraffinics, and oxygenated and benzene contents

CR Kaiser, JL Borges, AR dos Santos, DA Azevedo… - Fuel, 2010 - Elsevier
A simple and fast 1H NMR method, without any pretreatment, was developed for quality
control of gasoline. It is based on the average group molecular weight approach and relative …

Molecular-level structural insight into clarified oil by nuclear magnetic resonance (NMR) spectroscopy: estimation of hydrocarbon types and average structural …

S Mondal, A Yadav, R Kumar, V Bansal, SK Das… - Energy & …, 2017 - ACS Publications
A direct and easy-to-grasp methodology based on the combination of quantitative 1H and
13C nuclear magnetic resonance (NMR) has been developed for the estimation of total …

Nuclear magnetic resonance spectroscopy of crude oil as proxies for oil source and thermal maturity based on 1H and 13C spectra

G Gao, J Cao, T Xu, H Zhang, Y Zhang, K Hu - Fuel, 2020 - Elsevier
Nuclear magnetic resonance (NMR) approach has unique advantages in the geochemical
analysis of crude oil because it can provide information on chemical functional groups …

A simple contactless impedance probe for determination of ethanol in gasoline

F Opekar, R Čabala, T Kadlecova - Analytica chimica acta, 2011 - Elsevier
A contactless impedance probe with either a planar or a tubular detection cell has been
developed and tested for rapid determination of the ethanol content in gasoline. The probe …

Evaluation of polynomial regression models for the Student t and Fisher F critical values, the best interpolation equations from double and triple natural logarithm …

SP Verma - Revista mexicana de ciencias geológicas, 2009 - scielo.org.mx
Serious gaps exist in the present critical value tables for the Student t and Fisher F or
ANOVA significance tests. Statistically correct applications of these tests to the experimental …

[PDF][PDF] NMR and chemometric characterization of vacuum residues and vacuum gas oils from crude oils of different origin

J Parlov Vuković, P Novak, J Plavec, M Friedrich… - Croatica chemica …, 2015 - hrcak.srce.hr
NMR spectroscopy in combination with statistical methods was used to study vacuum
residues and vacuum gas oils from 32 crude oils of different origin. Two chemometric …

[PDF][PDF] New critical values for F and their use in the ANOVA and Fisher's F tests for evaluating geochemical reference material granite G-2 (USA) and igneous rocks …

R Cruz-Huicochea - Journal of Iberian Geology, 2013 - pdfs.semanticscholar.org
Monte Carlo method was used to simulate precise and accurate critical values (with 2 to 7
decimal places) of Fishers F test for degrees of freedom (ν1 and ν2) of up to 2000 and …

The effect of pyrolysis conditions on the composition of Chinese Jimsar shale oil using FT-IR, 1H-NMR and 13C-NMR techniques

H Lu, L Pan, Y Guo, F Dai, S Pei, J Huang, S Liu - Oil Shale, 2022 - search.proquest.com
Fourier transform infrared spectroscopy (FT-IR) and nuclear magnetic resonance (NMR)
were used to characterize the functional groups and structural parameters of shale oil …