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Corrosion Protection of Synthetic Bronze Patina

Marušić, Katarina; Otmačić Ćurković, Helena; Takenouti, Hisasi; Mance, Ana Dunja; Stupnišek-Lisac, Ema (2007) Corrosion Protection of Synthetic Bronze Patina. Chemical and Biochemical Engeenering Quartely, 21 (1). pp. 71-76. ISSN 0352-9568

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Bronze artifacts are generally covered with green or blue coloured corrosion products called patina, which not only enhances the good appearance of the bronze, but also helps to protect it. Because of the increased air pollution and acid rain the large collection of statues and works of art made from bronze exposed in the urban environment could be damaged. The increase of air pollution damages also archaeological bronze objects exposed or stored in a museum. This is why it is necessary to find ways to improve the protection that the patina gives to bronze. In order to preserve metal works from the aggressive atmosphere, organic inhibitors are often employed. The inhibiting effects of two imidazole derivatives (4-methyl-1-phenylimidazole and 4-methyl-1-(p-tolyl)imidazole) on artificial patina were examined. The results of these investigations have shown that both inhibitors studied improve the protective properties of bronze patina in simulated urban acid rains.

Item Type: Article
Uncontrolled Keywords: archeological artefact; imidazole; artificial patina; electrochemical impedance spectroscopy;
Subjects: NATURAL SCIENCES > Chemistry
NATURAL SCIENCES > Chemistry > Physical Chemistry
Project titleProject leaderProject codeProject type
Novi netoksični inhibitori korozije metala-Helena Otmačić Ćurković125-1252973-2572MZOS
Depositing User: Katarina Marušić
Date Deposited: 02 Jul 2019 09:28

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