DEVELOPMENT OF A GAS-CHROMATOGRAPHIC SCALE OF SOLUTE HYDROGEN-BOND ACCEPTOR BASICITY AND CHARACTERIZATION OF SOME HYDROGEN-BOND DONOR PHASES BY USE OF LINEAR SOLVATION ENERGY RELATIONSHIPS

被引:24
作者
LI, JJ [1 ]
ZHANG, YK [1 ]
CARR, PW [1 ]
机构
[1] UNIV MINNESOTA, DEPT CHEM, 207 PLEASANT ST SE, MINNEAPOLIS, MN 55455 USA
关键词
D O I
10.1021/ac00063a008
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Although there are hundreds of stationary phases available for gas chromatography, very few are even moderate hydrogen bond donors. In a search for strong hydrogen bond donor phases, we studied retention in some unusual liquids including two highly fluorinated alcohols, stearic acid, a fluorinated amide, and a phenolic phase. Retention data for more than 80 solutes spanning a very wide range in size, dipolarity, and hydrogen bond acceptor and hydrogen bond donor strength were examined. The results generally validate our previously developed method for measuring solute hydrogen bond basicity parameters. The retention data are well correlated by using solvatochromic linear solvation energy relationships based on a new set of GC-based solute parameters. Several strong hydrogen bond donor phases were identified, and their chromatographic properties were compared to solvatochromic properties measured by direct spectroscopic studies.
引用
收藏
页码:1969 / 1979
页数:11
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