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Journal of Liquid Chromatography & Related Technologies Volume 40, 2017 - Issue 5-6: Thin-Layer Chromatography
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Original Articles

The effect of chromatographic conditions on the separation of selected alkaloids on CN-silica layers

A. PetruczynikDepartment of Inorganic Chemistry, Medical University of Lublin, Lublin, Poland
,
J. MisiurekDepartment of Inorganic Chemistry, Medical University of Lublin, Lublin, Poland
,
S. SerafinDepartment of Inorganic Chemistry, Medical University of Lublin, Lublin, Poland
&
M. Waksmundzka-HajnosDepartment of Inorganic Chemistry, Medical University of Lublin, Lublin, PolandCorrespondence[email protected]
Pages 252-258 | Published online: 21 Apr 2017
 
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ABSTRACT

Selected alkaloids were chromatographed on cyanopropyl-silica thin layers using nonaqueous and aqueous eluents containing various free silanol blocker agents. Because of the strong retention of these basic compounds, nonaqueous eluents containing medium polar diluents, strongly polar modifiers, or aqueous eluents containing organic modifier, water, and silanol blockers (ammonia, diethylamine, and ionic liquid) were required for analysis. Mobile phases containing addition of acids were also tested for separation of investigated alkaloids. The most selective and efficient systems were used in two-dimensional separations of isoquinoline alkaloids’ mixture and plant extracts.

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