High-performance liquid chromatography of some alkaloids on unmodified silica gel with aqueous-organic solvent mixtures

1994 ◽  
Vol 686 (1) ◽  
pp. 85-91 ◽  
Author(s):  
W. Gołkiewicz ◽  
J. Kuczyński ◽  
W. Markowski ◽  
L. Jusiak
Keyword(s):  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
Organic Solvent ◽  
Silica Gel ◽  
High Performance ◽  
Solvent Mixtures ◽  
Unmodified Silica

scholarly journals Correlation between retention and C-18 silica gel surface coverage in reversed-phase liquid chromatography

2000 ◽  
Vol 65 (11) ◽  
pp. 811-818
Author(s):  
Marijana Acanski ◽  
Slobodan Petrovic ◽  
Vjera Pejanovic ◽  
Julijana Petrovic
Keyword(s):  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
Carbon Content ◽  
Silica Gel ◽  
High Performance ◽  
Surface Coverage ◽  
Reversed Phase ◽  
Reversed Phase Liquid Chromatography ◽  
Retention Behaviour ◽  
Phase Liquid

The effect of C-18 silica gel surface coverage on the retention behaviour of some estrone derivatives in reversed phase high performance liquid chromatography has been studied. Two commercial columns with different C-18 coverage, Spherisorb ODS-1(8 % carbon content) and Li Chrosorb RP-18(22% carbon content), using methanol-water as the eluent, were used.

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