Chromatographic study of adsorption from binary and ternary solutions

被引：4
|
作者：
Lanin, SN [1 ]
Ledenkova, MY [1 ]
Nikitin, YS [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119899, Russia
来源：
RUSSIAN CHEMICAL BULLETIN | 2001年 / 50卷 / 02期
关键词：
adsorption; silica gel; chromatography; calculation method; adsorption isotherm; binary and ternary solutions;
D O I：
10.1023/A:1009513914647
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Adsorption of benzene, anisole, and nitrobenzene on hydroxylated silica gel from binary and ternary solutions (adsorbate-n-hexane and adsorbate-n-hexane-terahydrofuran) was studied by HPLC. The equation that describes the adsorbate retention as a function of its concentration in binary and ternary solutions was proposed. The equation makes it possible to calculate the adsorption isotherms and adsorption equilibrium constants directly from chromatograms using the retention parameters and equilibrium concentrations of the adsorbate in the mobile phase.
引用
收藏
页码：228 / 232
页数：5
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