@article{lisboa_clasen_vellar_oreste_saint'pierre_ribeiro_vieira_2014,  title={An easy and fast procedure for the determination of Ca, Cu, Fe, Mn, Mg, Na, K and Si in biodiesel by ICP OES using emulsification as sample preparation strategy},  volume={25},  ISSN={0103-5053},  url={https://doi.org/10.5935/0103-5053.20130280},  DOI={10.5935/0103-5053.20130280},  number={1},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Lisboa, Meibel T. and Clasen, Caroline D. and Vellar, Daiane C. de Sousa and Oreste, Eliézer Q. and Saint'Pierre, Tatiana D. and Ribeiro, Anderson S. and Vieira, Mariana A.},  year={2014},  month={Jan},  pages={143–151} }