Research Article
Determination of Atropine Sulfate in Human Urines by Capillary Electrophoresis Using Chemical Modified Electrode as Electrochemiluminescence Sensor
Figure 2
Differential pulse voltammograms of Ru(bpy)3 2+ in phosphate buffer (pH 8.0): (a) at bare Pt electrode; (b) at Eu-PB modified Pt electrode. Amplitude: 0.05 V; pulse width: 0.05 s; pulse period: 0.2 s. Concentrations: Ru(bpy)3 2+, 5 mM; phosphate buffer, 80 mM.
