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盐酸二甲双胍选择性电极的制备及其性能研究

Shu-min CUI, Bai-tao ZHANG,Mei-rong SONG, Jing-jing ZHOU,Xian-fu ZHENG

Guangzhou Chemical Industry（2019）

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Abstract
制备了以盐酸二甲双胍与四苯硼酸根形成的缔合物为电活性物质的聚氯乙烯(PVC)膜盐酸二甲双胍选择性电极,用其采用直接电位法对盐酸二甲双胍制剂进行了测定.实验表明:该电极的Nernst响应范围为9.764×10-5～9.764×10-2 mol/L;Nernst响应斜率为48.64 mV/pc.该电极制备简单,操作方便,选择性和重复性良好,用于盐酸二甲双胍片剂、 胶囊和肠溶片的测定,所得结果和紫外分光光度法基本一致.
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