Antunes, P.A., Bannach, G., Chierice, G.O. and Cavalheiro, Éder T.G. 2009. Direct and simultaneous spectrophotometric determination of Ni (II) and Co (II) using diethanoldithiocarbamate as complexing agent. Eclética Química. 34, 2 (Nov. 2009), 07–13. DOI:https://doi.org/10.26850/1678-4618eqj.v34.2.2009.p07-13.