Experimental and molecular-statistical investigation of adsorption of aminoadamantanes on graphitized thermal carbon black

被引:3
作者
Yashkin, SN
Grigoreva, OB
Buryak, AK
机构
[1] Russian Acad Sci, Inst Phys Chem, Moscow 119991, Russia
[2] Samara State Univ, Samara 443011, Russia
关键词
aminoadamantane isomers; adsorption; gas solid chromatography; graphitized thermal carbon black; Henry constant; heat of adsorption; nitrogen atom in the amino group; atom-atom potentials; cage" effect;
D O I
10.1023/A:1011348730899
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Thermodynamic characteristics of adsorption of some isomeric aminoadamantanes oil graphitized thermal carbon black were determined by molecular-statistic calculations and gas-chromatographic measurements. The parameters of the potential function for the pairwise intermolecular interactions between nitrogen in saturated amines and carbon in graphite were calculated. The best agreement between the experimental and calculated Henry constants for 1-aminoadamantane is attained by introducting a correction taking into account the influence of the "cage" effect on alpha-substituents in the adamantane unit in the parameters of the phiN...C(GTCB) atom-atom potential.
引用
收藏
页码:980 / 985
页数:6
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