Journal of Physics: Conference Series PAPER • OPEN ACCESS Phase Transition of SiO 2 Nanoparticles Prepared from Natural Sand: The Calcination Temperature Effect To cite this article: Munasir et al 2018 J. Phys.: Conf. Ser. 1093 012025 View the article online for updates and enhancements. Recent citations Synthesis and Characterization of Fe 3 O 4 /SiO 2 nanocomposites Ainun Nikmah et al - This content was downloaded from IP address 181.215.41.18 on 27/10/2019 at 18:05