Simultaneous determination of caffeine, theophylline and theobromine in human plasma by on-line solid-phase extraction coupled to reversed-phase chromatography

2004 ◽  
Vol 18 (8) ◽  
pp. 479-485 ◽  
Author(s):  
Samy Emara
Keyword(s):  
Solid Phase Extraction ◽  
Simultaneous Determination ◽  
Human Plasma ◽  
Solid Phase ◽  
Reversed Phase ◽  
Phase Extraction ◽  
Reversed Phase Chromatography ◽  
On Line

On-line solid phase extraction CZE for the simultaneous determination of lanthanum and gadolinium at picogram per liter levels

2009 ◽  
Vol 30 (15) ◽  
pp. 2681-2687 ◽  
Author(s):  
Nora Vizioli ◽  
Raúl Gil ◽  
Luis Dante Martínez ◽  
María Fernanda Silva
Keyword(s):  
Solid Phase Extraction ◽  
Simultaneous Determination ◽  
Solid Phase ◽  
Phase Extraction ◽  
On Line
Sign in / Sign up

Export Citation Format

Share Document