Evidences of the formation of a tin(IV) complex in citricûcitrate buffer solution: A study based on voltammetric, FTIR and ab initio calculations.  / Laboratorio Ingeniería de Corrosión y Tecnología ElectroquímicaLICTE; Bichara, Laura Cecilia; Fiori Bimbi, María Victoria; Gervasi, Claudio A.; Alvarez, Patricia Eugenia; Brandán, Silvia Antonia