Determination of the modified effect of nano-SiO2 by titration in nonaqueous phase

被引：3
|
作者：
Zhang, L [1 ]
Zhang, DF
Jin, YL
Zhang, P
Zang, SL
机构：
[1] Liaoning Univ, Dept Chem, Shenyang 110036, Peoples R China
[2] Heilongjiang August First Land Reclamat Univ, Harbin, Peoples R China
来源：
INORGANIC MATERIALS | 2006年 / 42卷 / 01期
关键词：
Color; Methyl; Benzene; Inorganic Chemistry; Titration;
D O I：
10.1134/S0020168506010080
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The dispersion of nanosilica that was modified and original in organic solvents could be judged directly by using methyl red as the indicator, and the principle of color development was also discussed. A method has been developed for the determination of the acidity of solid surfaces, which consists of titration of the solid suspended in benzene with n-butyl amine, using neutral red as the indicator. Basic indicator forms a red color on acidic solids, and the end-point of the titration is the disappearance of the red color.
引用
收藏
页码：35 / 38
页数：4
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