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Effect of the conditions of structure formation on the physicochemical properties of ozonated shungites

  • Structure of Substances and Quantum Chemistry
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Abstract

It was investigated the influence of ozone on the physicochemical properties of shungites (type 1) (75–98% C) from Nigozero and Chebolaksha deposits (Karelia) formed by hydrothermal (Nigozero) and high-temperature (Chebolaksha) processes. Ozonation was found to affect the specific surface and the total pore volume of shungites considerably. The pore size distribution pattern depends on the volume morphology (texture) of the sample. An increase in the temperature and pressure during the structure formation of shungite (Chebolaksha) led to a shift of the maximum on the distribution pattern towards the formation of mesopores. The size distribution of pores with the dominant contents of micro- and submesopores for both shungites correlated with the basic structural nanoelements of shungite carbon. The peculiarities of the ozonation of shungite nanocarbon found previously (the non-steady state vibrational kinetics of ozonation and the absence of carbon(II) oxide among the reaction products) were confirmed.

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Authors and Affiliations

  1. Faculty of Chemistry, Moscow State University, Moscow, Russia

    G. I. Emel’yanova, L. E. Gorlenko, M. N. Rumyantseva & V. V. Lunin

  2. Institute of Geology, Karelian Research Center, Russian Academy of Sciences, Petrozavodsk, Russia

    N. N. Rozhkova

Authors
  1. G. I. Emel’yanova
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  2. L. E. Gorlenko
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  3. N. N. Rozhkova
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  4. M. N. Rumyantseva
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  5. V. V. Lunin
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Correspondence to G. I. Emel’yanova.

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Original Russian Text © G.I. Emel’yanova, L.E. Gorlenko, N.N. Rozhkova, M.N. Rumyantseva, V.V. Lunin, 2010, published in Zhurnal Fizicheskoi Khimii, 2010, Vol. 84, No. 8, pp. 1513–1518.

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Emel’yanova, G.I., Gorlenko, L.E., Rozhkova, N.N. et al. Effect of the conditions of structure formation on the physicochemical properties of ozonated shungites. Russ. J. Phys. Chem. 84, 1376–1381 (2010). https://doi.org/10.1134/S0036024410080182

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  • DOI: https://doi.org/10.1134/S0036024410080182

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