@article{lourenço_martins_balbo_pimenta_castro_andrade_2006,  title={Spectrophotometric study of the chromium(III)/azide system in the ultraviolet region and its analytical application},  volume={31},  ISSN={0100-4670},  url={https://doi.org/10.1590/S0100-46702006000400004},  DOI={10.1590/S0100-46702006000400004},  number={4},  journal={Eclética Química},  publisher={Fundação Editora da Universidade Estadual Paulista Júlio de Mesquita Filho - UNESP},  author={Lourenço, L. M. and Martins, F. G. and Balbo, V. R. and Pimenta, A. C. and Castro, J. R. M. and Andrade, J. F.},  year={2006},  pages={31–38} }