Abstract
Modified carbon multiwall nanotubes were prepared via the oxidation process by means of 65 % nitric acid and/or ferric nitrate dissolved with 65 % nitric acid. Using special thermogravimetry (Q-TG), sorptometry, and AFM methods physicochemical properties of pure and modified nanotube surfaces were investigated. A numerical and analytical procedure for the evaluation of total heterogeneous properties on the basis of liquid thermodesorption from the sample surfaces under the quasi-equilibrium conditions is presented. The calculations of the fractal dimensions of carbon nanotubes using the thermogravimetry Q-TG, sorptometry, and AFM data are presented.
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The authors are grateful to mgr Magdalena Błachnio for her participation in preparation of this manuscript.
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Staszczuk, P., Rycyk, M. Studies of adsorption and total heterogeneity properties of pure and modified carbon nanotube surfaces. J Therm Anal Calorim 114, 1125–1133 (2013). https://doi.org/10.1007/s10973-013-3164-6
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DOI: https://doi.org/10.1007/s10973-013-3164-6