COMPARISON OF METHODS FOR THE DETERMINATION OF THE POLARITY AND SELECTIVITY OF STATIONARY PHASES IN GAS-CHROMATOGRAPHY FROM A THERMODYNAMIC POINT-OF-VIEW

被引：24

作者：

GOLOVNYA, RV ^{[1
]}

POLANUER, BM ^{[1
]}

机构：

[1] MINIST MED IND USSR,ALL UNION INST GENET & SELECT IND MICROORGANISMS,MOSCOW,USSR

来源：

JOURNAL OF CHROMATOGRAPHY | 1990年 / 517卷

关键词：

D O I：

10.1016/S0021-9673(01)95709-7

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Different scales proposed for the evaluation of polarity and selectivity in gas chromatography as relative and absolute values were compared. It is shown that the scale including six parameters, ΔG(X), ΔG(Y), ΔG(Z), ΔG(U), ΔG(S), and ΔG(CH2), is more suitable and allows a unified system to be obtained for the polarity and selectivity of conventional stationary phases, organic and inorganic salts and polymer sorbents. The main equation for the calculation of the partial molar free energy of sorption, ΔG, is simplified for capillary gas chromatography. © 1990.

引用

页码：51 / 66

页数：16

共 51 条

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