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Magneto-optical activity of crude oil and its heavy fractions / A. E. Sokolov [et al.] // Opt. Spectrosc. - 2012. - Vol. 112, Is. 5. - P. 755-762, DOI 10.1134/S0030400X12050165. - Cited References: 18. - This work was performed under Interdisciplinary Integration Project no. 118 of the Siberian Branch of the Russian Academy of Sciences (2009-2011). . - ISSN 0030-400X

РУБ Optics + Spectroscopy
Рубрики:
MAGNETIC CIRCULAR-DICHROISM
   SINGLE-CRYSTALS
   SPECTROSCOPY
   EPR
   ABSORBENCY
   PORPHYRIN
   SYSTEMS
Аннотация: We have experimentally studied optical and magneto-optical spectra of solutions of crude oils of different origin and their heavy fractions in the visible spectral range. Magnetic circular dichroism of oil in the wavelength range similar to 550 nm has been revealed. We show that the shape of the spectra of this dichroism depends on the origin of crude oil, with the magnetic dichroism magnitude being proportional to the concentration of the oil in the solution. A comparison of the data of magneto-optical spectroscopy with electron paramagnetic resonance spectra and chemical composition of samples has allowed us to conclude that the observed magneto-optical activity is determined by the occurrence of VO2+ complexes in the oil samples. The revealed magneto-optical activity of crude oil can form the basis of a unique method of analysis of the composition and properties of oils of different origin and heavy fractions thereof.

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Публикация на русском языке Магнитооптическая активность природной нефти и ее тяжелых фракций [Текст] / А. Э. Соколов [и др.] // Оптика и спектроскопия : Наука, 2012. - Т. 112 № 5. - С. 820-827

Держатели документа:
[Sokolov, A. E.
Edelman, I. S.
Zabluda, V. N.
Petrakovskaya, E. A.
Aleksandrovskii, A. S.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Shubin, A. A.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Trukhan, S. N.
Mart'yanov, O. N.] Russian Acad Sci, Siberian Branch, Boreskov Inst Catalysis, Novosibirsk 630090, Russia

Доп.точки доступа:
Sokolov, A. E.; Соколов, Алексей Эдуардович; Edelman, I. S.; Эдельман, Ирина Самсоновна; Zabluda, V. N.; Заблуда, Владимир Николаевич; Petrakovskaya, E. A.; Петраковская, Элеонора Анатольевна; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Shubin, A. A.; Trukhan, S. N.; Mart'yanov, O. N.
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Magnetic circular dichroism analysis of crude oil / I. S. Edelman [et al.] // J. Struct. Chem. - 2016. - Vol. 57, Is. 2. - P. 382-389, DOI 10.1134/S0022476616020207. - 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.). . - ISSN 0022-4766. - ISSN 1573-8779

РУБ Chemistry, Inorganic & Nuclear + Chemistry, Physical
Рубрики:
Near-UV/visible spectroscopy
   Electron-spin-resonance
   Asphaltene dispersions
   Single-crystals
   Absorption
   VO2+
   EPR
   FLuorescence
   Aggregation
   Absorbency
Кл.слова (ненормированные):
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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Публикация на русском языке Исследование природной нефти с помощью спектроскопии магнитного кругового дихроизма [Текст] / И. С. Эдельман [и др.] // Журн. структ. химии. - 2016. - Т. 57 № 2. - С. 394-401

Держатели документа:
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.
Russian Acad Sci, Siberian Branch, Boreskov Inst Catalysis, Novosibirsk, Russia.

Доп.точки доступа:
Edelman, I. S.; Эдельман, Ирина Самсоновна; Sokolov, A. E.; Соколов, Алексей Эдуардович; Zabluda, V. N.; Заблуда, Владимир Николаевич; Shubin, A. A.; Martyanov, O. N.; 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]
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