Photolysis of ferric ion in the presence of sulfate and/or chloride ions: implications for the photo-fenton process - Machulek Junior, Amilcar; Moraes, José Ermírio Ferreira de; Okano, Laura Tiemi; Silvério, Cristina Amaro; Quina, Frank Herbert (Encontro Latino-Americano de Fotoquímica e Fotobiologia, 2008)