![]() ![]() Analytical applications of thiosemicarbazones and semicarbazones / Singh R.B., Garg B.S., Sibgh R.P. Transition metal complexes of thiosemicarbazide and thiosemicarbazones // Coordination Chemistry Reviews. do Carmo Federici // Received 24 December 1996. de Magalhaes Padilha ,J.Cesar Rocha, J.Celso Moreira, J.Theodoro de Sousa Campos, C. ![]() ![]() Preconcentration of heavymetals ions from aqueous solutions by means of cellulose phosphate: an application in water analysis / P. ![]()
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