@article{fontes_melo_costa_braga_melo_alves_2015,  title={Comparison of Kinetic Study of CTMA<sup>+</sup> Removal of Molecular Sieve Ti-MCM-41 Synthesized with Natural and Commercial Silica},  volume={18},  ISSN={1516-1439},  url={https://doi.org/10.1590/1516-1439.019015},  DOI={10.1590/1516-1439.019015},  number={3},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Fontes, Maria do Socorro Braga and Melo, Dulce Maria de Araújo and Costa, Cintia de Castro and Braga, Renata Martins and Melo, Marcus Antonio de Freitas and Alves, José Antônio Barros Leal Reis},  year={2015},  month={May},  pages={608–613} }