NURMUTAAQIMAH; SITI JAMILATUN; ASTER RAHAYU. Effect of NaOH Concentration on Surface Width and Pore Volume of Silica Gel From Beef Shrain as Adsorbent. Sains Natural: Journal of Biology and Chemistry, [S. l.], v. 15, n. 2, p. 102–109, 2025. DOI: 10.31938/jsn.v15i2.814. Disponível em: https://www.ejournalunb.ac.id/JSN/article/view/814. Acesso em: 21 apr. 2026.