1. Araujo, D.M., Yoshida, M.I., Carvalho, C.F., 2007. Method for amines quantification in iron ores flotation residues. Instituto Nacional da Propriedade Industrial. Patent number PI0705593-5 (in Portuguese).
2. Residual amine in iron ore flotation;Batisteli;Minerals Engineering,2008
3. Brandão, P.R.G., 2005. Selectivity in reverse iron ore flotation: reagents adsorption. In: Proceedings XXI Encontro Nacional de Tratamento de Minérios e Metalurgia Extrativa, Natal, RN, pp. 22–33 (in Portuguese).
4. Glembotsky, V.A., 1968. Investigation of separate conditioning of sands and slimes with reagents prior to joint flotation. In: Proc. International Mineral Processing Congress, 8, Paper S-16, Leningrad.
5. Colloids and Surfaces;Khosla,1984