The chemical structure change and the element (C,H,N,S,O) content in the peat organic substance under the heat treatment (250°С) influence and depending on the peat decomposition type and extent are considered in the article. The correlations of the absorption strip optical density of oxygen-containing groups and aliphatic substitutes to the absorption strip optical density of the aromatic poly-interfaced systems are calculated according to IR-spectroscopy.
peat, type, decomposition extent, heat treatment, element structure, functional groups, absorption strips, optical density, chemical structure
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