制备了一种碳纳米管-石墨烯纳米片复合膜修饰金电极的用于同时测定邻苯二酚和对苯二酚电化学传感器.并应用循环伏安法研究了邻苯二酚和对苯二酚在该电极上的电化学行为,邻苯二酚和对苯二酚的浓度检测采用差分脉冲伏安法,结果表明,碳纳米管-石墨烯纳米片复合膜极大的增强了邻苯二酚和对苯二酚的电催化活性.并在0.5～6.0×10-4mol/L浓度范围内与响应电流有良好的线性关系.邻苯二酚和对苯二酚的最低检测限分别是5.0×10-9和4.8×10-9 mol/L.该电化学传感器能用于实际样品中的酚类化合物的检测.
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