Characterization of the Organic Matter of Humic Acids by Pyrolytic Gas Chromatography–Mass Spectrometry

The results of the pyrolytic analysis of products of the organic matter of Sphagnum fuscum , fuscum peat, and humic acids separated from peat with the use of pyrolysis–chromatography–mass spectrometry in the Rock-Eval version are presented. It was shown that Sphagnum fuscum and peat differed only sl...

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Bibliographic Details
Published in:Solid fuel chemistry 2018-03, Vol.52 (2), p.116-120
Main Authors: Yudina, N. V., Savel’eva, A. V., Melenevskii, V. N.
Format: Article
Language:English
Subjects:
Acetic acid
Acids
Benzene
Carbohydrates
Chemistry
Chemistry and Materials Science
Chromatography
Gas chromatography
Homology
Humic acids
Ions
Mass spectrometry
Peat
Phenols
Physical Chemistry
Pyrolysis
Scientific imaging
Spectroscopy
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Summary:The results of the pyrolytic analysis of products of the organic matter of Sphagnum fuscum , fuscum peat, and humic acids separated from peat with the use of pyrolysis–chromatography–mass spectrometry in the Rock-Eval version are presented. It was shown that Sphagnum fuscum and peat differed only slightly in the degrees of chemical transformation. Benzene, phenol, and their alkyl-substituted homologues predominated in the thermal desorption products of humic acids upon pyrolysis to 400°C. Acetic acid, monohydric phenols, syringol, and guaiacol, which are the basic compounds in the high-temperature fraction, were formed on the pyrolysis humic acids to 700°C from the carbohydrate, phenylpropionic, and guaiacylpropane structural fragments.
ISSN:0361-5219
1934-8029
DOI:10.3103/S0361521918020131