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Title: ELECTRONIC PARAMAGNETIC RESONANCE OF HUMIC ACIDS OF PEAT AND SAPROPELS OF THE OB-IRTYSH INTERFLUVES
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ELECTRONIC PARAMAGNETIC RESONANCE OF HUMIC ACIDS OF PEAT AND SAPROPELS OF THE OB-IRTYSH INTERFLUVES
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1314-2704
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English
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20
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3.1
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The paper presents the results of a study of the paramagnetic activity of humic acids of peat and sapropels of a vertical profile. Samples were taken near the Mukhrino field station located in the Ob-Irtysh interfluve. The article gives the botanical composition of the studied peat. G-factors were determined for the first 8 samples of HA. The g-factors of the studied HA are close to the g-factor of a free electron (2, 00230) and range within g = 2.00360±0.00015. The number of paramagnetic centers in the samples was calculated using quantitative spectroscopy of electron paramagnetic resonance. Specific concentration of paramagnetic centers and the conditional ?molecular weight? of paramagnetic fragments in HA macromolecules were calculated. It was found that the paramagnetic activity of HA sapropels is lower than that of HA peat.
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conference
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20th International Multidisciplinary Scientific GeoConference SGEM 2020
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20th International Multidisciplinary Scientific GeoConference SGEM 2020, 18 - 24 August, 2020
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts & Letters; Acad Fine Arts Zagreb Croatia; C
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411-418
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18 - 24 August, 2020
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website
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cdrom
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7148
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Humic Acids; Sapropel; Peat; Electronic Paramagnetic Resonance
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