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Distribution of high-molecular-weight n-alkanes in paraffinic crude oils and asphaltene-resin-paraffin deposits

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Abstract

Paraffinic and high-paraffin oils and asphaltene-resin-paraffin (ARP) deposits of Samara oblast have been investigated by differential scanning calorimetry (DSC) and GLC techniques. High-paraffin oils have been found to contain n-alkanes with the number of carbon atoms of C15-C60 and higher forming a crystalline phase with the mp ∼30–40°C. The ARP deposits from high-paraffin oils almost do not contain highmolecular-weight n-alkanes with the number of carbon atoms >55. This is due to the peculiarities of the crystallization and cocrystallization processes of high polydispersity n-alkanes in crude oils.

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Authors and Affiliations

  1. Arbuzov Institute of Organic and Physical Chemistry, Kazan Research Center, Russian Academy of Sciences, Kazan, 420088, Russia

    Yu. M. Ganeeva, T. R. Foss, T. N. Yusupova & A. G. Romanov

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  1. Yu. M. Ganeeva
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  2. T. R. Foss
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  3. T. N. Yusupova
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  4. A. G. Romanov
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Corresponding author

Correspondence to Yu. M. Ganeeva.

Additional information

Original Russian Text © Yu.M. Ganeeva, T.R. Foss, T.N. Yusupova, A.G. Romanov, 2010, published in Neftekhimiya, 2010, Vol. 50, No. 1, pp. 19–24.

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Ganeeva, Y.M., Foss, T.R., Yusupova, T.N. et al. Distribution of high-molecular-weight n-alkanes in paraffinic crude oils and asphaltene-resin-paraffin deposits. Pet. Chem. 50, 17–22 (2010). https://doi.org/10.1134/S0965544110010020

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  • DOI: https://doi.org/10.1134/S0965544110010020

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