@article{guerra_airoldi_viana_2010,  title={Performance of natural and modified smectite: kinetic and thermodynamics involving arsenic (V) adsorption},  volume={56},  ISSN={0366-6913},  url={https://doi.org/10.1590/S0366-69132010000100009},  DOI={10.1590/S0366-69132010000100009},  number={337},  journal={Cerâmica},  publisher={Associação Brasileira de Cerâmica},  author={Guerra, D. L and Airoldi, C and Viana, R. R},  year={2010},  month={Jan},  pages={49–56} }