592650.fig.004
Figure 4: Electropherogram of standard mixture. Peak identification: (1) B1, (2) B3, (3) B2, (4) B6, (5) B1a, (6) B10, (7) B5 + B2a, (8) B9. The vitamin concentrations are the same as in Figure 2. Experimental conditions: borate buffer 20 mM; pH = 9,2; = 10 kV; = 17 μA; = 25°C; hydrodynamic injection = 1 s; fused silica capillary ID = 50 μm; = 44 cm; = 36 cm; instrument Spectra Phoresis 1000.