Figure 1 Capillary Electrochromatogram of salbutamol

Experimental Section
Instruments and Reagent
Experiments were performed on a TriSepTM-2010 Capillary Electrochromatography system (Shanghai Unimicro Analytical Technologies Co., Ltd.) with a 0-30 kV high voltage power supply, a high speed scanning UV detector, a solvent delivery system and HW system software.
Reagent： methanol（HPLC grade）；TEA；HAc；salbutamol
Conditions
Column：Capillary EP-150-20-5-CBV
Mobile phase： CH3OH:TEA:HAc = 100:0.1:0.1
Flow：0.02 ml/min
Wavelength：254 nm
Applied voltage: 250 V/cm
Temperature：Room temperature
Back pressure：250 Psi