Abstract
The spectral characteristics of coal and oil pitch are compared among themselves. An insignificant contribution of aliphatic functional groups to the total spectrum intensity for coal pitch is noted. Analysis of the obtained 13C NMR spectra showed qualitative structural features of the pitch components, such as the absence of signals in the range of 150-200 ppm, which indicates the absence of carbonyl- and carboxyl-containing fragments in the components of the pitch components. The content of radiocarbon in the samples of oil pitch and carbon nanoparticles was measured.
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