腐植酸组分的电位滴定法

IF 0.4 Q4 ENGINEERING, CHEMICAL

Coke and Chemistry Pub Date : 2023-11-27 DOI:10.3103/S1068364X23701077

S. I. Zherebtsov, N. V. Malyshenko, K. M. Shpakodraev, K. S. Votolin, Z. R. Ismagilov

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引用次数: 0

摘要

从坎斯克-阿钦斯克盆地Tisulsky矿床开采的褐煤中分离出腐植酸、膜黑酸、腐植酸和黄腐酸等腐植酸类物质。所得样品通过技术分析和元素分析进行了表征。官能团的含量用电位滴定法测定。对于所有酸，腐殖质中羧基和羟基的含量可按如下顺序排列:Ar-OH >Ar-COOH祝辞Alk-COOH。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Potentiometric Titration of Humic Fractions

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Potentiometric Titration of Humic Fractions

Humic substances—humic acid, hymatomelanic acid, humus acid, and fulvic acid—have been isolated from lignite mined in the Tisulsky deposit of Kansk-Achinsk Basin. The samples obtained are characterized by means of technical and elemental analysis. The content of functional groups is determined by potentiometric titration. For all the acids, the content of carboxyl and hydroxyl groups in the humic substances may be ranked as follows: Ar–OH > Ar–COOH > Alk–COOH.

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来源期刊

Coke and Chemistry ENGINEERING, CHEMICAL-

CiteScore

0.70

自引率

50.00%

发文量

期刊介绍： The journal publishes scientific developments and applications in the field of coal beneficiation and preparation for coking, coking processes, design of coking ovens and equipment, by-product recovery, automation of technological processes, ecology and economics. It also presents indispensable information on the scientific events devoted to thermal rectification, use of smokeless coal as an energy source, and manufacture of different liquid and solid chemical products.