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Infrared spectra of carbon hemosorbents

Elemental analysis and Fourier-transform IR spectroscopy methods have been used to study the structure of two carbon hemosorbents that differ from one another in the way of synthesis. The hemosorbents contain C, N, H, S, and O atoms. Analysis of IR spectra has shown that the hemosorbents have different amounts of C=O carbonyl groups in the bulk than on the surface with the same proportion of OH- and C=C groups throughout the sample. This was observed experimentally as a change of intensity and position of the corresponding vibrational absorption bands. The possibility in principle of using the proposed analytical methods to establish structural features of hemosorbents both on the surface and within the sample is substantiated.

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Correspondence to G. B. Tolstorozhev.

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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 76, No. 5, pp. 692–696, September–October, 2009.

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Bel’kov, M.V., V.Skornyakov, I., Tolstorozhev, G.B. et al. Infrared spectra of carbon hemosorbents. J Appl Spectrosc 76, 656 (2009). https://doi.org/10.1007/s10812-009-9257-0

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  • DOI: https://doi.org/10.1007/s10812-009-9257-0

Keywords

  • IR spectrum
  • sorbent
  • structure
  • charcoal
  • carbon