pH dependence of electrokinetic behavior of dolomite and magnesite in aqueous electrolyte solutions

被引：61
作者：
Gence, Nermin [1 ]
Ozbay, Nurgul [1 ]
机构：
[1] Anadolu Univ, Vocat Sch Bozuyuk, Bozuyuk Bilecik, Turkey
来源：
APPLIED SURFACE SCIENCE | 2006年 / 252卷 / 23期
关键词：
dolomite; magnesite; electrokinetic potential; isoelectric point; pH;
D O I：
10.1016/j.apsusc.2005.10.015
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this paper. electrokinetic potential and isoelectric point of dolomite (CaMg(CO3)2) and magnesite (MgCO3) were determined. The effect of various ions such as Mg2+, Ca2+, Na+ and CO32- on surface properties of dolomite and magnesite were also examined. Isoelectric points of dolomite and magnesite were determined as 6.3 and 6.8, respectively, in the absence of any electrolyte. H+ and OH- ions are the potential determining ions of magnesite and dolomite, as predicted by electrokinetic potential studies. (c) 2005 Elsevier B.V. All rights reserved.
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页码：8057 / 8061
页数：5
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