Lima, M.F. and Abreu, F.O.M. da S. 2020. COMPARISON OF CHITOSAN SULFATATION METHODS FOR CU²⁺ ADSORPTION. Revista Coleta Científica. 4, 8 (Dec. 2020), 01–07. DOI:https://doi.org/10.7910/DVN/6U9UWY.