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Browsing Научные публикации в Scopus by Subject "13 C NMR spectroscopy"

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Application of high resolution NMR (1H and 13C) and FTIR spectroscopy for characterization of light and heavy crude oils

Rakhmatullin I.; Efimov S.; Tyurin V.; Al-Muntaser A.; Klimovitskii A.; Varfolomeev M.; Klochkov V. (2018)

© 2018 Elsevier B.V. High-resolution nuclear magnetic resonance (NMR) and Fourier transform infrared (FTIR) spectroscopy experiments were applied to obtain detailed information on the hydrocarbon chemistry of three light ...
Complicated Conformational Exchange of New Pyridoxine Derivative. Dynamic13C NMR Characterization

Rakhmatullin I.; Galiullina L.; Karataeva F.; Klochkov V. (2017)

© 2017, Springer Science+Business Media, LLC. New pyridoxine derivative with multiple chemical exchanges was studied by 13 C (at 298 K, 188 K) and 2D NMR ( 1 H- 13 C HSQC, 1 H- 13 C HMBC) spectroscopy in acetone-d 6 solution. ...
NMR chemical shifts of carbon atoms and characteristic shift ranges in the oil sample

Rakhmatullin I.Z.; Efimov S.V.; Klochkov A.V.; Gnezdilov O.I.; Varfolomeev M.A.; Klochkov V.V. (2021)

Application of high resolution 13C nuclear magnetic resonance (NMR) spectroscopy to characterize crude oil was demonstrated. The chemical shifts of 13C NMR functional groups that determine the composition of the oil sample ...
Qualitative and quantitative analysis of heavy crude oil samples and their SARA fractions with 13c nuclear magnetic resonance

Rakhmatullin I.; Efimov S.; Tyurin V.; Gafurov M.; Al-Muntaser A.; Varfolomeev M.; Klochkov V. (2020)

© 2020 by the authors. Nuclear magnetic resonance (NMR) approaches have unique advantages in the analysis of crude oil because they are non-destructive and provide information on chemical functional groups. Nevertheless, ...
Qualitative and quantitative analysis of oil samples extracted from some Bashkortostan and Tatarstan oilfields based on NMR spectroscopy data

Rakhmatullin I.; Efimov S.; Margulis B.; Klochkov V. (2017)

© 2017 Elsevier B.V.Measurements of crude oil samples by nuclear magnetic resonance spectroscopy were carried out. The quantitative fractions of aromatic molecules and functional groups constituting oil hydrocarbons in ...

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Browsing Научные публикации в Scopus by Subject "13 C NMR spectroscopy"

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