Lourenço, L.M., Martins, F.G., Balbo, V.R., Pimenta, A.C., Castro, J.R.M. and de Andrade, J.F. 2006. Spectrophotometric study of the chromium(III)/azide system in the ultraviolet region and its analytical application. Eclética Química. 31, 4 (Dec. 2006), 31–38. DOI:https://doi.org/10.26850/1678-4618eqj.v31.4.2006.p31-38.