@article{article5b2cd45b, title = {Simultaneous spectrophotometric determination of copper(II) and iron(III) as the azide complexes}, author = {Neves, E A and Andrade, J F and Chierice, Gilberto Orivaldo}, year = {1983}, doi = {10.1016/s0003-2670(00)85604-4}, journal = {Analytica Chimica Acta} }