Abstract
ABSTRACTIn this study electrochemical and surface analysis were carried out in order to provide preliminary information to diagnose the state of conservation of two bronze bells from two Colonial religious building from San Francisco de Campeche City: The Cathedral of Nuestra Señora de la Purísima Concepción and the Ex-temple of San José. Small corroded bronze samples were retired from each bell and analyzed by using optical microscopy in order to observe the distribution of the oxides over metal surface. Complementary XRD analysis was used to identify crystalline phases formed as a consequence of bells interaction with the urban tropical environment of this city. Electrochemical techniques such as linear polarization resistance (Rp) and potentiodynamic curve (CP) were conducted “in situ” in order to evaluate the behavior of bell bronze patinas under the action of two artificial solutions that recreate typical electrolyte formed over corroded metal surfaces in urban environments.
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