KAYAL, N.; SINGH, N. Synthesis, characterization of Silica Obtained from Rice Husk and Determination its Silica Content by Modified Volumetric Method. Eurasian Chemico-Technological Journal, [S. l.], v. 11, n. 2, p. 93–96, 2009. DOI: 10.18321/ectj301. Disponível em: https://ect-journal.kz/index.php/ectj/article/view/516. Acesso em: 4 may. 2024.