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The Synthesis of Thiaazacrown Ethers Containing Pyridine as Subuint for the Construction of Ag + -ISEs

International Journal of Electrochemical Science, ISSN: 1452-3981, Vol: 8, Issue: 6, Page: 8544-8556
2013
  • 1
    Citations
  • 0
    Usage
  • 5
    Captures
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    Mentions
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    1
    • Citation Indexes
      1
      • CrossRef
        1
  • Captures
    5

Article Description

Three new thiaazacrown ethers containing pyridine as subunit were synthesized and charaterized as Ag + -ion selective eslectrodes (Ag + -ISEs) ionophores. Study shows that the ring size and donor number of the ligands have great effect on the selectivity and sensitivity of the synthesized compounds. Potentiometric responses reveal that the ISE based on 2, 2’-thiodiethanethiol derivative exhibits best selectivity toward Ag + relative to other two compounds. The plasticized poly (vinyl chloride) (PVC) membrane electrode using this N 3 S 5 -ligand as ionophore has been characterized in detail. Under optimal conditions, a detection limit of 3.9×10 -7 M Ag + can be obtained for the proposed membrane Ag + -ISE.

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