Indirect photometric detection of anions in capillary electrophoresis

被引:102
作者
Doble, P [1 ]
Haddad, PR [1 ]
机构
[1] Univ Tasmania, Dept Chem, Hobart, Tas 7001, Australia
关键词
indirect detection; capillary electrophoresis; anions; probes;
D O I
10.1016/S0021-9673(98)00787-0
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Indirect photometric detection (absorbance and fluorescence) of anions by capillary electrophoresis is reviewed. Factors which influence the displacement process of analyte ions in background electrolytes containing one or more co-ions are discussed and factors which influence detection sensitivity in indirect detection modes are outlined. Procedures are presented for buffering background electrolytes when indirect absorbance detection is to be used in the determination of anions, and approaches to the design and optimization of the composition of background electrolytes for indirect detection of anions are discussed. The application of indirect detection to the separation of major groups of analytes including inorganic anions, organic acids, carbohydrates, phosphates, phosphonates and miscellaneous species is then reviewed. Detailed information on the physical properties of species used as probes for indirect detection of anions is provided. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:189 / 212
页数:24
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