1. Institute of Chemistry, Shah Abdul Latif University, Khairpur, Pakistan;
2. Cast Metals and Foundry Technology Centre (CM and FT) PCSIR, Daska, District Sialkot, Pakistan;
3. Department of Chemistry, University of Gujrat, Hafiz Hayat Campus, Gujrat, Pakistan;
4. Department of Chemistry, Quaid-i-Azam University, Islamabad, Pakistan;
5. Department of Chemistry, University of Wah, Wah, Pakistan;
6. Department of Physics, University of Sargodha, Sargodha, Pakistan