Characterization of Asaba Clay for Production of Porcelain Insulator

Abstract: The study highlights the potential of Asaba clay for producing high-quality ceramic wares by examining the physicochemical characteristics of clay mineral using advanced analytical techniques such as X-ray fluorescence (XRF), X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR), and atomic absorption spectrophotometry (AAS). Results obtained reveal that the sample was kaolinite with SiO₂ (43.63%), Al₂O₃ (16.65%), and Fe₂O₃ (4.87%) as the most predominant elements. The identified minerals include Quartz (SiO₂), Orthoclase (KAlSi₂O₃), Kaolinite (Al₂O₃•2SiO₂•2H₂O), and Albite (NaAlSi₂O₃). Wavenumbers ranges from 3697.51913 - 685.83016, while the high intensities of the hydroxyl-related peaks at 3421.70 cm⁻¹, 3622.97 cm⁻¹, and 3697.52 cm⁻¹ suggest that Asaba clay has properties similar to kaolinitic. Elemental composition indicates that the elements (Co, Cr, Cu, Fe, Mn, Ni, Pb, Cd, Zn and Ca) are in acceptable concentration levels. The study therefore revealed that the clay from Asaba has kaolinite characteristics, is environmentally safe and is therefore suitable for porcelain insulator production.

Asaba Clay, SEM, XRD, XRF, Porcelain Insulator

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