Composition and Properties of Extraction Resins and Fractions of Humic Substances of Brown Coals

被引：0

作者：

Shpakodraev, K. M. ^{[1
]}

Zherebtsov, S. I. ^{[1
]}

Votolin, K. S. ^{[1
]}

Malyshenko, N. V. ^{[1
]}

机构：

[1] Russian Acad Sci, Fed Res Ctr Coal & Coal Chem, Siberian Branch, Kemerovo, Russia

来源：

COKE AND CHEMISTRY | 2024年 / 67卷 / 06期

关键词：

brown coal bitumens; extraction; wax; resin; hymatomelanic acids; humus acids; humic acids; fulvic acids; phytostimulant activity; ACIDS;

D O I：

10.3103/S1068364X2460057X

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The initial brown coals, humic substances and their fractions obtained from them, as well as bitumen were characterized using technical and elemental analysis, Fourier infrared, C-13 NMR spectroscopy. The component composition of the obtained bitumen and its fractions was studied using the chromatography-mass spectrometry method. It has been established that during the fractionation of humic substances, the main part of aromatic compounds is concentrated in humus acids. The data on the study of the phytostimulating activity of various fractions of humic substances and their mixtures with the saponified component of the resin of extraction bitumen, in relation to wheat seeds of the Aphrodite variety, are presented. A positive eff ect on the growth performance of the studied fractions of humic substances separately and when used together in a mixture with the saponified component of bitumen resin was shown. The phytoactivity index (PI) of the studied initial samples and their mixtures is in the range of 1.04-1.64.

引用

页码：331 / 338

页数：8

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