@article{amorim filho_fernandes_moraes_gomes neto_2004,  title={Evaluation of the mixtures ammonium phosphate/magnesium nitrate and palladium nitrate/magnesium nitrate as modifiers for simultaneous determination of Cd, Cr, Ni and Pb in mineral water by GFAAS},  volume={15},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532004000100006},  DOI={10.1590/S0103-50532004000100006},  number={1},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Amorim Filho, Volnei R and Fernandes, Kelly G and Moraes, Mercedes de and Gomes Neto, José Anchieta},  year={2004},  month={Jan},  pages={28–33} }