Structural-Group Composition and Biological Activity of Humic and Lipid Substances of Brown Coals

Structural-Group Composition and Biological Activity of Humic and Lipid Substances of Brown Coals

The samples of brown coal, bitumen and humic acids (HA) extracted from them are characterized by means of elemental and proximate analyses, FTIR, 13С NMR (CPMAS) spectroscopy and gas chromatography-mass spectrometry. The presence of biologically active substances is detected in the extracted bitume...

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Bibliographic Details
Main Authors: S.I. Zherebtsov, K.M. Shpakodraev, K.S. Votolin, N.V. Malyshenko, Z.R. Ismagilov
Format: Article
Language:English
Published: al-Farabi Kazakh National University 2022-10-01
Series:Eurasian Chemico-Technological Journal
Subjects:
Brown coal
Humic acids
Bitumen
Biological activity
Online Access:https://ect-journal.kz/index.php/ectj/article/view/1429

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