On-line solid–phase extraction using a C18 minicolumn coupled to a flow injection system for determination of caffeine in green and roasted coffee beans

2014 ◽  
Vol 147 ◽  
pp. 182-188 ◽  
Author(s):  
María E. Salinas-Vargas ◽  
María P. Cañizares-Macías
2013 ◽  
Vol 129 ◽  
pp. 377-383 ◽  
Author(s):  
Carmín Chávez-Moreno ◽  
Laura Ferrer ◽  
Laura Hinojosa-Reyes ◽  
Aracely Hernández-Ramírez ◽  
Víctor Cerdà ◽  
...  

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