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D. M. Bernstein and J. A. Hoskins, “The Health Effects of Chrysotile: Current Perspective Based upon Recent Data,” Toxicology and Pharmacology, Vol. 45, No. 3, 2006, pp. 252-264. doi:10.1016/j.yrtph.2006.04.008

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• TITLE: Synthesis of Mesoporous Material from Chrysotile-Derived Silica

  AUTHORS: Anderson Joel Schwanke, Christian Wittee Lopes, Sibele Berenice Castellã Pergher

  KEYWORDS: MCM-41; Chrysotile; Silica Source

  JOURNAL NAME: Materials Sciences and Applications, Vol.4 No.8A, August 27, 2013

  ABSTRACT: Mesoporous MCM-41-type molecular sieves were synthesized using calcined and leached chrysotile and cetyltrimethylammonium bromide as the silica source and structure directing agent, respectively. Powder X-ray diffraction (XRD), N2 isothermal adsorption-desorption, scanning electron microscopy (SEM) and thermogravimetric analysis (TGA) were used to characterize the samples. The calcined and leached chrysotile can be employed as an inexpensive silica source for the formation of low-order MCM-41 mesoporous materials.