I would advise museums not to use LED bulbs any more as they emit at lot of blue light

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That kind of yellow paint is very sensitive to green and blue. I would advise museums not to use LED bulbs any more as they emit at lot of blue light.” The researchers used powerful x-rays to examine a series of paintings by Van Gogh. "We discovered that the Dutch master didn’t always use the same type of chrome-yellow paint. ”

Van Gogh also used a lighter lemon-yellow and a lighter-still primula-yellow. "These varieties have a different crystal structure, albeit combined with higher sulphur content. They react quiet adversely to light rays. After just a few days of our tests they changed colour from to brown and olive green. We discovered this unstable form of chrome yellow paint in a number of very well-known paintings like the 'Portrait of Gauguin” and the ‘Sunflowers’.

Beth Rundlett of DSM and committee co-chair, said that ,“UV LED technology has the potential to play an essential role in radiation curing industrial applications, RadTech’s technical efforts will further promote UV LED development and it's full integration into everyday industrial processes.”