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mysterious chemical reaction which destroying Van Gogh paintings is reveals -
Category: News
mysterious chemical reaction which destroying Van Gogh paintings is reveals

The work of Vincent Van Gogh may be among the greatest artistic achievements in human history, but barely a century after his death his work is already starting to fade. The bright yellows of his paintings are turning to a murky brown. But this isn't any ordinary decay - and scientists used a particle accelerator to figure out the previously-unknown chemical reaction that is slowly destroying the works of the Dutch master..
 

 


To solve this chemical mystery, French researchers used the powerful X-rays created by the European Synchrotron Radiation Facility in Grenoble, France. The synchrotron is often used to more closely study the structure of materials, and this particular analysis turned up a most unusual reaction. Sunlight can only penetrate a millionth of a meter into Van Gogh's paintings, but that's enough to trigger a previously unknown reaction that transforms the chrome yellow used in the paintings into a dull brownish color.

 
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Reference:
io9.com


Dated
2011-02-17



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