Affiliation: | 1. Graduation Program in Materials Engineering and Technology, PUCRS, Porto Alegre, Brazil;2. Graduation Program in Materials Engineering and Technology, PUCRS, Porto Alegre, Brazil School of Chemistry, PUCRS, Porto Alegre, Brazil;3. Institute of Chemistry, UFRGS, Porto Alegre, Brazil;4. Institute of Exact and Technological Science, FEEVALE, Novo Hamburgo, Brazil |