采用电化学聚合的方法将氨基黑10B染料分子修饰到玻碳电极表面,制备了聚氨基黑10B修饰电极,其稳定性和重复性较好.该修饰电极对维生素B6(VB6)的氧化有明显的电催化作用,VB6的氧化峰电位负移,电流显著增加.利用微分脉冲伏安和安培检测技术对VB6进行了定量检测,检测限均可达到0.05μmol/L,与已报道的修饰电极比较,是目前最低的.将该修饰电极用于不同药物制剂中VB6浓度的测定,操作方便、快速,方法灵敏,准确度高.
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