SHIHAB, Bahaa F. Influence of chemical and thermal treatment on the purity of silica extracted from rice husk. Iraqi Journal of Physics, Baghdad, Iraq., v. 16, n. 39, p. 117–123, 2019. DOI: 10.30723/ijp.v16i39.109. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/109.. Acesso em: 22 nov. 2024.