PIGMENTOS INORGANICOS OBTENIDOS A PARTIR DE LOS RESIDUOS DE DRENAJE DE LA EXPLOTACION HULLERAINORGANIC PIGMENTS OBTAINED FROM COAL MINE DRAINAGE RESIDUES
Adriano Michael Bernardin, Reginaldo Rosso Marcello, Michael Peterson, Sergio Galato, Giovano Izidoro, Vitorino Saulo, Humberto Gracher Riella,
