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Вид документа : Статья из журнала
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Автор(ы) : Sokolov A. E., Edelman I. S., Zabluda V. N., Petrakovskaya E. A., Aleksandrovsky A. S., Shubin A. A., Trukhan S. N., Mart'yanov O. N.
Заглавие : Magneto-optical activity of crude oil and its heavy fractions
Место публикации : Opt. Spectrosc.: MAIK Nauka-Interperiodica / Springer, 2012. - Vol. 112, Is. 5. - P.755-762. - ISSN 0030-400X, DOI 10.1134/S0030400X12050165
Примечания : 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).
Предметные 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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