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  • 1 Department of Chemistry, Faculty of Science Banaras Hindu University Varanasi-221005 U. P. India
  • 2 Catalyst Section Indian Institute of Petroleum P. O. IIP-Mohkampur Dehra Dun-248005 U. P. India
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Physicochemical properties of bismuth vanadate catalysts with varying compositions, e.g., Bi4V6O21-6 1/2H2O·121NH3; Bi6V2O14·3 H2O; Bi6V4O19·6 H2O have been studied by chemical analysis, differential thermal analysis, thermogravimetry, infrared, X-ray diffraction, surface area and magnetic susceptibility techniques.