Comparative study of vulcan and printex carbon for in situ generation of hydrogen peroxide - Assumpção, Mônica H. M. T; Souza, Rodrigo F. B; Gaubeur, Ivanise; Calegaro, Marcelo Luiz; Lanza, Marcos Roberto de Vasconcelos; Santos, Mauro Coelho dos (Brazilian MRS Meeting, 2010)