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Copyright of Biomédica: Revista del Instituto Nacional de Salud is the property of Instituto Nacional de Salud of Colombia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

El artículo describe la la caracterización de una película pasiva en Titanio (Titanio anodizado) mediante un circuito elθctrico equivalente que modela las propiedades electroquímicas del material. Con los espectros de EIS (Espectroscopía de Impedancia Electroquímica) se caracterizaron las propiedades dielθctricas del óxido superficial y la resistencia de polarización de la película. A partir del anßlisis de estas magnitudes se determinó el "mejor ajuste" para caracterizar la Impedancia.