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《Chemical Sensors》 1995-01
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A New Type of Rare Earth Element Electrode——Water Membrane and PVC Membrane Samarium Electrode

Cai Zhuo ( Department of Chemistry, Guangxi University, Nanning, 530004 ) Zhang Yong-hua ( Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun, 130022)  
The preparation of samarium electrode based on the water membrane or PVC membrane is reported. The water membrane samarium electrode to Sm3+ shows a Nernstian response in organic solvent with low dielectric constant as tributyl phosphate. The slope of response is 19 mV/ pC Sm3+ in the range of 1.0×10-4 to 1.0×10-2. Refer to the reversible transfer of ions in both direction of immiscible liquid/liquid interface, the PVC membrane-based samarium electrode was prepared with satisfactory data in terms of the similar preparing principles of water membrane based samarium electrode.
【Fund】: 国家自然科学基金
【CateGory Index】: O657.1
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