A Solid film electrode of intermetallic Ag2Hg3.02 for the direct determination of folic acid in fresh and processed fruit juices - De Paula, Cleide Garcia; Toledo, Renata Alves de Toledo; Vaz, Carlos Manoel Pedro; Cordeiro, Paulo Jorge Marques; Batistuti, José Paschoal; Pastre, Ieda Aparecida; Shim, Hojae; Fertonani, Fernando Luis (Electroanalysis, 2015)