Z Q Li

Hunan University, Ch’ang-sha-shih, Hunan, China

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Publications (1)4.11 Total impact

  • Min Ying · Ruo Yuan · X M Zhang · Y Q Song · Z Q Li · G L Shen · R Q Yu
    [Show abstract] [Hide abstract]
    ABSTRACT: A PVC membrane electrode based on a nickel(II) tetraazaannulene macrocyclic complex as the carrier is described. The electrode exhibits an anti-Hofmeister selectivity sequence with a preference for iodide at pH 3.0-4.0. It has a linear response to iodide from 8.0 x 10(-6) to 1 x 10(-1) mol dm-3 with a slope of -54.7 +/- 0.2 mV per decade (20 degrees C), a satisfactory reproducibility and a rapid response time. The pH dependence of the potential response is discussed. The response mechanism of the electrode was investigated by ac impedance, quartz crystal microbalance and spectroscopic techniques. The electrode can be used for the determination of iodide in drug preparations.
    The Analyst 11/1997; 122(10):1143-6. DOI:10.1039/a700544j · 4.11 Impact Factor

Publication Stats

47 Citations
4.11 Total Impact Points

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  • 1997
    • Hunan University
      Ch’ang-sha-shih, Hunan, China