CHARACTERISATION OF HIGH PURITY RICE HUSK SILICA SYNTHESISED USING SOLVENT-THERMAL TREATMENT WITH DIFFERENT CONCENTRATION OF ACID LEACHING. J. Teknol. [Internet]. 2023 Feb. 23 [cited 2025 Apr. 4];85(2):101-10. Available from: https://journals.utm.my/jurnalteknologi/article/view/18631