Some protective treatments with waxes and benzotriazole derivatives or with silanic compounds were tested for the possible application in outdoor protection of bronze objects. Tests were carried out in neutral sodium chloride or artificial acid rain solutions, in complete immersion or in different climatic chambers on as-cast and artificially patinated bronze specimens. Finally, the results were checked on artistic bronze horse statues. Electrochemical tests (polarization curves and impedance spectroscopy) and X-ray diffraction analysis were performed to assess the efficiency of the treatments.
Inhibiting treatments for outdoor bronzes
COLLEDAN, Alessandra;FRIGNANI, Alessandro;GRASSI, Vincenzo;ZUCCHI, Fabrizio
2005
Abstract
Some protective treatments with waxes and benzotriazole derivatives or with silanic compounds were tested for the possible application in outdoor protection of bronze objects. Tests were carried out in neutral sodium chloride or artificial acid rain solutions, in complete immersion or in different climatic chambers on as-cast and artificially patinated bronze specimens. Finally, the results were checked on artistic bronze horse statues. Electrochemical tests (polarization curves and impedance spectroscopy) and X-ray diffraction analysis were performed to assess the efficiency of the treatments.File in questo prodotto:
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