CEC separation in packed microcolumn

Post date: May 30, 2015 6:46:26 AM

[Click image to enlarge]

Left (a & b): pictures of 5 micron ODS bead packed microcolumn; .

Right: CEC separation of Coumarin 440 (peak 1) and 450 (peak 2) with different concentration of acetonitrile in mobile phase (a) 20%, (b) 35%, (c) 50%, (d) 70%