Heehong Kwon

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1. Introduction The patina of outdoor bronze sculptures is considered a “passivation” layer, acting as a protective barrier from the atmospheric environment; however, other corrosion products are “activation” agents and are harmful to bronze sculptures [1]. The most well-known active corrosive agents are pitting corrosion and “bronze diseases”, that is, copper trihydroxychlorides (Cu2Cl(OH3)), such as atacamite, paratacamite, and clinoatacamite [2].

This is an early access version, the complete PDF, HTML, and XML versions will be available soon. Open AccessArticle by Heehong Kwon 1 and Namchul Cho 2,* 1 Department of Conservation and Art Bank, National Museum of Modern and Contemporary Art, Cheongju 28501, Republic of Korea 2 Department of Cultural Heritage Conservation Science, Kongju National University, Gongju 32588, Republic of Korea * Author to whom correspondence should be addressed.