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полный	информационный	краткий

Поисковый запрос: (<.>S=VO2+<.>)

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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Edelman I. S., Sokolov A. E., Zabluda V. N., Shubin A. A., Martyanov O. N.
Заглавие : Magnetic circular dichroism analysis of crude oil
Коллективы : Russian Federation [NSh-2886.2014.2]; Kirensky Institute of Physics (Siberian Branch, Russian Academy of Sciences) [V.44.1.15]; Boreskov Institute of Catalysis (Siberian Branch, Russian Academy of Sciences) [V.44.1.15]
Место публикации : J. Struct. Chem.: MAIK Nauka-Interperiodica / Springer, 2016. - Vol. 57, Is. 2. - P.382-389. - ISSN 0022-4766, DOI 10.1134/S0022476616020207. - ISSN 1573-8779(eISSN)
Примечания : Cited References:33. - The work was carried out with the partial support of the grant of the President of the Russian Federation (NSh-2886.2014.2), and in the frameworks of the base budget financing of Kirensky Institute of Physics and Boreskov Institute of Catalysis (Siberian Branch, Russian Academy of Sciences) (V.44.1.15.).
Предметные рубрики: Near-UV/visible spectroscopy
Electron-spin-resonance
Asphaltene dispersions
Single-crystals
Absorption
VO2+
EPR
FLuorescence
Aggregation
Absorbency
Ключевые слова (''Своб.индексиров.''): magnetic circular dichroism (mcd)--mcd spectroscopy--absorption spectroscopy of oil
Аннотация: Optical and magneto-optical properties of solutions of crude oil of different origin (i.e., taken from different fields) are studied in the visible and near-UV region of optical emission. Magnetic circular dichroism (MCD) spectra of oil are obtained in the vicinity of wavelengths of ~410 nm, 533 nm, and 576 nm. It is demonstrated that the intensity of the MCD signal depends on the origin of crude oil, and it is proportional to the oil concentration in the solution. The comparison of the magneto-optical spectroscopy data with the chemical composition of samples allows us to conclude that the observed magneto-optical activity is determined by the presence of VO2+ complexes in the oil samples studied. The revealed magneto-optical activity of conventional oil can form a basis of a new method for the analysis of the composition and properties of oil of different origin.
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