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制备由阳离子交换聚合物AQ和阴离子聚合物PVP组成的复合修饰电极.考察该电极在PH=1的H2SO4底液中亚硝酸根的电化学行为.结果显示:该电极对亚硝酸根具有明显电催化作用.能够很好地用于微量亚硝酸根检测.
The composite modified electrode composed of cation exchange polymer AQ and anionic polymer PVP was prepared and the electrochemical behavior of nitrite in H2SO4 solution with pH = 1 was investigated. The results showed that the electrode had obvious electrochemical activity on nitrite Catalytic. Can be used for trace nitrite detection.