The factors affecting zone broadening in capillary electrophoresis - amperometric detection (CE/ AD) at a disk-shaped electrode were theoretically analysed, and a model equation about it was given.

• 从理论上分析了影响毛细管电泳柱端盘状电极安培检测区带展宽的诸因素，给出了区带展宽的模拟公式。