Application of azoles as neutral carriers in liquid membrane ion-selective pH electrodes |
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| Affiliation: | 1. Center for Chinese Agricultural Policy, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Jia, No. 11, Datun Rd, Anwai, Beijing 100101, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;1. Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences(CAS), Shandong Provincial Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai Shandong, 264003, China;2. Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China;3. University of Chinese Academy of Sciences, Beijing, 100049, China |
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| Abstract: | New synthetic H+-selective carriers, derivatives of pyrazole, have been used as ionophores in liquid membrane electrodes for pH measurements in the acidic range. Selectivity coefficients toward sodium, potassium and calcium have been determined in this range and they are comparable to or better than those for previously described carriers. |
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