Coordination of iron (III) to modified silica surface containing pyrazine acid groups and its application in advanced oxidative processes - Borges, Willian M.S.; Guerreiro, Mário C.; Anconi, Cleber P.A.; Magalhães, Kassiana T.; Castro, Guilherme M.M.; L. Neto, Jonas; Rossi, Marco Aurélio de Lima Silva (Surfaces and Interfaces, 2022)