采用超声法一步合成了三聚氰胺-甲醛-乙二胺四草酰乙酸螯合树脂/纳米碳管复合物.采用红外光谱、场发射扫描电镜及电化学技术表征了材料的特性.该复合物修饰充蜡石墨电极被成功应用于水溶液中重金属离子Pb(Ⅱ)、Cd(Ⅱ)和Zn(Ⅱ)的同时测定,检测限分别为1×10-10、1×10-8和5×10-8 mol·L-1 (3σ).
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