CE on-line preconcentration: CSEI-sweeping-MEKC

Figure 1: The mechanism of CSEI-sweeping-MEKC mode.

The online preconcentration method, CSEI-sweeping-MEKC, and central composite design were applied to determine nicotine concentrations in tobacco with optimized detection efficiency. Learn more in Journal of Analytical Methods in Chemistry, Volume 2015 (2015), Article ID 869719, 8 pages.