Chin.J.Chem.Eng. ›› 2019, Vol. 27 ›› Issue (2): 459-466.doi: 10.1016/j.cjche.2018.03.028

• Energy, Resources and Environmental Technology • Previous Articles     Next Articles

Preparation of new and novel wave like poly(2-anisidine) zirconium tungstate nanocomposite: Thermal, electrical and ion-selective studies

Anish Khan1,2, Aftab Aslam Parwaz Khan1,2, Mahmoud A. Hussein1,3, Bernaurdshaw Neppolian4, Abdullah M. Asiri1,2   

  1. 1 Chemistry Department, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
    2 Center of Excellence for Advanced Materials Research, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia;
    3 Polymer Chemistry Laboratory, Chemistry Department, Faculty of Science, Assiut University, 71516 Assiut, Egypt;
    4 SRM Research Institute, SRM University, Kattankulathur, Chennai 603203, Tamil Nadu, India
  • Received:2018-01-14 Revised:2018-03-07 Online:2019-02-28 Published:2019-03-18
  • Contact: Anish Khan

Abstract: It is necessary to synthesize new material for the advancements of the technology. In this study, new and novel poly (2-anisidine)@zirconium tungstate (P2A/ZrW2O8) was synthesized by simple so-gel method. Physicochemical characterization of P2A/ZrW2O8 was done by thermogravimetric analysis (TGA), scanning electron microscopy (SEM), X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), ion exchange and simultaneous four probe dc conductivity studies. The conductivity study revealed its highly semiconducting nature, in the range of 10-1-10-2 S·cm-1. Ion-exchange capabilities of the composite make it applicable for cation-exchange studies. The result of distribution studies (Kd) revealed its selectivity towards Cd2+ compared to other metal ions. This property of the composite was utilized for designing Cd2+ selective membrane electrode. Several important physical parameters of the ion-selective electrode were determined, such as Nernstian slope (32.32 mV·decade-1), working pH range was 2.0-4.0 and response time was found~17 s. The analytical utility of this wave like composite membrane electrode was as, indicator electrode in various potentiometric titrations.

Key words: Conducting polymers, Electrochemistry, Ion-exchangers, Electrode, Cd2+, Poly(2-anisidine)