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利用 Cu( )在交流示波极谱曲线上有敏锐的切口并可指示交流示波极谱滴定终点的性质 ,提出用 EDTA络合 Ce( ) ,并用 Cu( )标准溶液回滴剩余的 EDTA从而测定铈的方法。结果表明 ,该法简便、快速、干扰较少。
The use of Cu () in the AC oscilloscope polarographic curve has a sharp incision and can indicate the nature of the AC oscilloscope polarographic endpoint, the proposed complexation with EDTA Ce (), and Cu () standard solution back to the remaining EDTA which Method for the determination of cerium. The results show that the method is simple, fast and less interference.