Journal of Analytical Chemistry

, Volume 65, Issue 10, pp 1045–1051 | Cite as

Potentiometric determination of dysprosium(III) ion using zirconium(IV) antimonomolybdate as an electroactive material

  • S. K. Mittal
  • Raj Kumar
  • Pernita Dogra
  • Harish K. Sharma
Articles

Abstract

Membranes containing varying compositions of electroactive material and epoxy resin as binder have been prepared and it has been shown that the one having composition 60% ZrSbMo and 40% epoxy resin exhibits best performance. The membrane demonstrates excellent response in the concentration range of 10−4 to 10−1 M Dy(III) ion with super-Nernstian slope of 44.0 mV/decade and fast response time of less than 10 s. Effect of internal solution was studied and the electrode was successfully used in partially non-aqueous medium. The proposed sensor revealed good selectivity with respect to alkali, alkaline earth, some transition and rare earth metal ions. It can be used in the pH range of 2.10–9.80. The sensor was used as an indicator electrode in the potentiometric titration of Dy(III) ion against EDTA.

Key words

potentiometry determination of disprosium zirconium(IV) antimonomolybdate electroactive materials 

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Copyright information

© Pleiades Publishing, Ltd. 2010

Authors and Affiliations

  • S. K. Mittal
    • 1
  • Raj Kumar
    • 2
  • Pernita Dogra
    • 3
  • Harish K. Sharma
    • 3
  1. 1.School of Chemistry and BiochemistryThapar University PatialaPatialaIndia
  2. 2.Department of ChemistryJ.V. Jain CollegeSaharanpurIndia
  3. 3.Department of ChemistryM.M.UniversityMullanaIndia

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