| 摘 要： | The research work on preparation process of active materials of the rare earth ion selective electrodes and the valence of the electrode membrane were reported. The active materials were characterized by infrared spectrum, elemental analysis and XPS.We had studied the rare earth ion selective electrodes in which the active materials consist of functional polymers1-3]. In this paper, the research work on preparation process and the valence of the electrode membrane were reported, which has not been seen in literature yet.
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