CHEMICAL COMPOSITION AND ACID-BASE PROPERTIES OF HUMIC ACIDS EXTRACTED FROM SAPROPEL OF OMSK REGION

被引:0
作者
Platonova, D. S. [1 ]
Adeeva, L. N. [1 ]
机构
[1] Omsk State Univ, Omsk, Russia
来源
IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA I KHIMICHESKAYA TEKHNOLOGIYA | 2015年 / 58卷 / 08期
关键词
humic acid sapropel; CHNS-analysis; X-ray fluorescence analysis; potentiometric titration; acid-base properties;
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
With the elemental, CHNS - and X-ray fluorescence analysis the chemical composition of humic acids isolated from sapropel was investigated. The acid-base properties of humic acids were determined by potentiometric titration. The number of carboxyl and hydroxyl groups in humic acid, the values of the constants of dissociation of the functional groups determining the sorption properties of the extracted humic acids was established.
引用
收藏
页码:35 / +
页数:5
相关论文
共 13 条
[1]  
[Адеева Л.Н. Adeeva L.N.], 2009, [Известия высших учебных заведений. Серия: Химия и химическая технология, Izvestiya vysshikh uchebnykh zavedenii. Seriya: Khimiya i khimicheskaya tekhnologiya], V52, P121
[2]  
Adeeva L. N., 2013, BUTLEROV SOOBSHCHENI, V34, P65
[3]   USE OF ULTRAFILTRATION FOR SEPARATION AND FRACTIONATION OF ORGANIC-LIGANDS IN FRESH WATERS [J].
BUFFLE, J ;
DELADOEY, P ;
HAERDI, W .
ANALYTICA CHIMICA ACTA, 1978, 101 (02) :339-357
[4]  
FRIMMEL FH, 1985, Z WASSER ABWASS FOR, V18, P259
[5]  
Gelferih F., 1962, IONITES BASES IONIC
[6]  
Khilko S. L., 2001, KHTT, P50
[7]  
Lopotko M. Z., 1989, SAPROPELS PRODUCTS T
[8]   PROPERTIES OF FULVIC-ACIDS FROM DEEP GROUNDWATERS [J].
PETTERSSON, C ;
ARSENIE, I ;
EPHRAIM, J ;
BOREN, H ;
ALLARD, B .
SCIENCE OF THE TOTAL ENVIRONMENT, 1989, 81-2 :287-296
[9]  
Sierra MMD, 2001, ANAL CHIM ACTA, V445, P89
[10]   Influence of pH on the surface activity of humic acid: micelle-like aggregate formation and interfacial adsorption [J].
Terashima, M ;
Fukushima, M ;
Tanaka, S .
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2004, 247 (1-3) :77-83