Electro-Fenton degradation of the food dye amaranth using a gas diffusion electrode modified with cobalt (II) phthalocyanine - Barros, Willyam Róger Padilha; Franco, Poliana C; Steter, Juliana Ribeiro; Rocha, Robson da Silva; Lanza, Marcos Roberto de Vasconcelos (Journal of Electroanalytical Chemistry, 2014)