快速检测水中多氯联苯含量的电化学免疫传感器设计

摘要

检测水中多氯联苯含量传感器由电化学三电极﹑信号采集及转换电路﹑单片机和显示单元组成. 采用示差脉冲法,在单片机的控制下,为三电极提供-0.3~0.6 V连续变化电压信号,驱动三电极系统中待测液发生氧化/还原反应. 该系统实现了对多氯联苯含量的快速检测.%Electrochemical immune sensor is used to detect naphthalene content in the water in this system, which is con-sisted of three-electrode electrochemical system, signal acquisition and conversion circuits, microcontroller and display units.the exciting waveform is differential pulse voltammetry (DPV), which is generated by the microcontroller, its voltage range is from -0.3 to 0.6 V.The system can achieved quickly the quantitative detection for PCBs content in water.