AMPEROMETRIC DETERMINATION OF COPPER USING SCREEN-PRINTED ELECTRODES

被引：15
|
作者：
SOMASUNDRUM, M [1 ]
BANNISTER, JV [1 ]
机构：
[1] UNIV MALTA,DEPT BIOMED SCI,MSIDA,MALTA
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 1993年 / 15卷 / 1-3期
关键词：
D O I：
10.1016/0925-4005(93)85052-C
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
An amperometric method for the determination of copper ions has been developed using disposable, screen-printed electrodes modified with the ligand bis-cyclohexanone oxaldihydrazone. The electrodes operate at +250 mV versus SCE, giving a linear response to copper across the range 0.03-0.3 mM (r = 0.983, n = 13). The effect on the electrode response of variations in pH, temperature, ligand concentration and storage time are outlined; as well as the effect of competing cations including magnesium, barium, ammonium, calcium, cobalt, iron(III), nickel and zinc.
引用
收藏
页码：203 / 208
页数：6
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