Different methods of on-line preconcentration in the electrophoretic determination of amines, amino acids, and steroid hormones

被引:0
|
作者
L. A. Kartsova
A. A. Sidorova
E. A. Bessonova
机构
[1] St. Petersburg State University,
[2] CSU Analytical Spectrometry LLC,undefined
来源
Journal of Analytical Chemistry | 2012年 / 67卷
关键词
on-line preconcentration; capillary electrophoresis; catecholamines; amino acids; steroid hormones;
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摘要
The scope and limitations of various types of on-line preconcentration for ionogenic and neutral analytes, i.e., catecholamines, amino acids and, steroid hormones, under the conditions of capillary zone electrophoresis and micellar electrokinetic chromatography are examined. The preconcentration factors of the studied analytes were found to be influenced by pH of the buffer solution and the origin and composition of the samples.
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页码:642 / 648
页数:6
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