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Molecular and elemental composition of humic acids isolated from selected soils of the Russian Arctic. / Polyakov, Vyacheslav I. ; Chegodaeva, Nadezhda A. ; Abakumov, Evgeny V. .

In: Vestnik Tomskogo Gosudarstvennogo Universiteta, Biologiya, Vol. 2019, No. 47, 27.09.2019, p. 6-21.

Research output: Contribution to journal › Article › peer-review

Harvard

Polyakov, VI, Chegodaeva, NA & Abakumov, EV 2019, 'Molecular and elemental composition of humic acids isolated from selected soils of the Russian Arctic', Vestnik Tomskogo Gosudarstvennogo Universiteta, Biologiya, vol. 2019, no. 47, pp. 6-21. https://doi.org/10.17223/19988591/47/1

APA

Polyakov, V. I., Chegodaeva, N. A., & Abakumov, E. V. (2019). Molecular and elemental composition of humic acids isolated from selected soils of the Russian Arctic. Vestnik Tomskogo Gosudarstvennogo Universiteta, Biologiya, 2019(47), 6-21. https://doi.org/10.17223/19988591/47/1

Vancouver

Polyakov VI, Chegodaeva NA, Abakumov EV. Molecular and elemental composition of humic acids isolated from selected soils of the Russian Arctic. Vestnik Tomskogo Gosudarstvennogo Universiteta, Biologiya. 2019 Sep 27;2019(47):6-21. https://doi.org/10.17223/19988591/47/1

Author

Polyakov, Vyacheslav I. ; Chegodaeva, Nadezhda A. ; Abakumov, Evgeny V. . / Molecular and elemental composition of humic acids isolated from selected soils of the Russian Arctic. In: Vestnik Tomskogo Gosudarstvennogo Universiteta, Biologiya. 2019 ; Vol. 2019, No. 47. pp. 6-21.

BibTeX

@article{c475e89596a640b5ab51c008c0463dcd,
title = "Molecular and elemental composition of humic acids isolated from selected soils of the Russian Arctic",
abstract = "Humic substances, isolated from selected soils of the Russian Arctic, were investigated in terms of molecular composition and stabilization rate. The degree of polar soil organic matter stabilization was assessed with the use of modern instrumental spectroscopy methods. The analysis of humic acid (HAs) preparations showed that aliphatic fragments prevail in the organic matter isolated in polar soils. The predominance of aliphatic fragments was revealed in HAs from soils located in the coastal zone, which could be caused by regular refreshment of organic matter during sin-lithogenic process and processes of hydrogenation in HAs. Breaking of the C-C bonds and formation of chains with a high hydrogen content, which leads to the formation of aliphatic fragments in HAs, were noted. Data on the calculated atomic ratios of the elements in HAs are given and graphs show the main regularities in the formation of HAs and their properties. The integrated indicators of the molecular composition of humic acids of soils of the Russian Arctic are presented.",
keywords = "CP/MAS 13C-NMR, Cryosol, Humic acids, Organic matter, Permafrost-affected soils",
author = "Polyakov, {Vyacheslav I.} and Chegodaeva, {Nadezhda A.} and Abakumov, {Evgeny V.}",
year = "2019",
month = sep,
day = "27",
doi = "10.17223/19988591/47/1",
language = "English",
volume = "2019",
pages = "6--21",
journal = "Vestnik Tomskogo Gosudarstvennogo Universiteta, Biologiya",
issn = "1998-8591",
publisher = "Национальный исследовательский Томский государственный университет",
number = "47",

}

RIS

TY - JOUR

T1 - Molecular and elemental composition of humic acids isolated from selected soils of the Russian Arctic

AU - Polyakov, Vyacheslav I.

AU - Chegodaeva, Nadezhda A.

AU - Abakumov, Evgeny V.

PY - 2019/9/27

Y1 - 2019/9/27

N2 - Humic substances, isolated from selected soils of the Russian Arctic, were investigated in terms of molecular composition and stabilization rate. The degree of polar soil organic matter stabilization was assessed with the use of modern instrumental spectroscopy methods. The analysis of humic acid (HAs) preparations showed that aliphatic fragments prevail in the organic matter isolated in polar soils. The predominance of aliphatic fragments was revealed in HAs from soils located in the coastal zone, which could be caused by regular refreshment of organic matter during sin-lithogenic process and processes of hydrogenation in HAs. Breaking of the C-C bonds and formation of chains with a high hydrogen content, which leads to the formation of aliphatic fragments in HAs, were noted. Data on the calculated atomic ratios of the elements in HAs are given and graphs show the main regularities in the formation of HAs and their properties. The integrated indicators of the molecular composition of humic acids of soils of the Russian Arctic are presented.

AB - Humic substances, isolated from selected soils of the Russian Arctic, were investigated in terms of molecular composition and stabilization rate. The degree of polar soil organic matter stabilization was assessed with the use of modern instrumental spectroscopy methods. The analysis of humic acid (HAs) preparations showed that aliphatic fragments prevail in the organic matter isolated in polar soils. The predominance of aliphatic fragments was revealed in HAs from soils located in the coastal zone, which could be caused by regular refreshment of organic matter during sin-lithogenic process and processes of hydrogenation in HAs. Breaking of the C-C bonds and formation of chains with a high hydrogen content, which leads to the formation of aliphatic fragments in HAs, were noted. Data on the calculated atomic ratios of the elements in HAs are given and graphs show the main regularities in the formation of HAs and their properties. The integrated indicators of the molecular composition of humic acids of soils of the Russian Arctic are presented.

KW - CP/MAS 13C-NMR

KW - Cryosol

KW - Humic acids

KW - Organic matter

KW - Permafrost-affected soils

UR - http://www.scopus.com/inward/record.url?scp=85076878099&partnerID=8YFLogxK

U2 - 10.17223/19988591/47/1

DO - 10.17223/19988591/47/1

M3 - Article

AN - SCOPUS:85076878099

VL - 2019

SP - 6

EP - 21

JO - Vestnik Tomskogo Gosudarstvennogo Universiteta, Biologiya

JF - Vestnik Tomskogo Gosudarstvennogo Universiteta, Biologiya

SN - 1998-8591

IS - 47

ER -

ID: 49022387