Investigating Oxidation, a Painting by Andy Warhol

Andy Warhol's Oxidation (1978) hanging in the Andy Warhol Museum, Pittsburgh, PA

Art and science may seem like worlds apart, but when it comes to preserving the legacy of a cultural icon like Andy Warhol, they come together in a fascinating symbiosis. One of Warhol's famous works, Oxidation (1978), recently became the focus of an in-depth scientific investigation after fluctuations in the climate of its gallery triggered a chemical reaction that changed its appearance.

Oxidation, displayed at the Andy Warhol Museum in Pittsburgh, Pennsylvania, is a series of works created in the late 1970s that used metallic copper paint on canvas. The addition of urine caused oxidation that created unique colors and textures. When changes in the painting became visible, the museum staff quickly got to work trying to answer the question "What happened?" Trusted with the preservation of over one hundred other works, their investigation has implications well beyond a single work of art.

Museum staff began by researching the materials and techniques used by Warhol, accessing the vast archives housed at the museum. They were able to create mockups using the original materials and techniques used to create Oxidation for testing purposes, an important because the original artwork could not be used. 

Museum staff reached out to Pittsburgh-based RJ Lee Group for analysis of some of the samples because we are a leader in scientific analysis and materials characterization. We have a rich history of applying advanced technology to solve complex problems, including other investigations of paintings, murals, and historical buildings, making us the perfect partner for this delicate and intricate investigation. 

While testing and analysis of Oxidation are ongoing, the collaboration reminds us that the preservation of art is not just about maintaining physical objects but also about preserving the stories and emotions they evoke. Through the meticulous work of the dedicated team at The Andy Warhol Museum, they are ensuring that Warhol's art—and the stories it tells—will continue to captivate and inspire for generations to come.

When the results of the analysis are revealed, we will update this post. 

Read more about this interesting collaboration on the Andy Warhol Museum website.

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