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This study synthesized and characterized amorphous mesoporous silica from palm kernel shell ash. Sol–gel synthesis technique was used to produce the amorphous mesoporous silica from palm kernel shell ash. Silica is an affordable material with numerous applications including glass production, electronics and polymer materials, drug delivery and energy storage. It has been manufactured from different agricultural bio-resources with limited research on palm kernel shell ash (PKSA). The synthesized amorphous mesoporous silica was characterized using X-ray fluorescence (XRF), X-ray diffraction (XRD), Fourier transform infrared (FTIR) techniques, scanning electron microscope (SEM) and energy dispersive X-ray (EDX). The XRD patterns reveal the amorphous nature of the extracted amorphous silica, EDX confirmed the presence of SiO₂, while FTIR analysis shows the existence of silanol and siloxane …