No one of whatever religious persuasion who visits the Sistine Chapel in Rome can fail to be impressed by the results of a 20-year restoration project that has brought Michelangelo’s frescoes back to their original level of artistry. Most notable is the brilliance of the sky blue that almost illuminates the Last Judgement on the altar wall of the chapel. But, recent NMR analysis of the ultramarine pigment used to produce this stunning blue suggests its tendency to fade could see the Last Judgement and other works ultimately perish.
Alexej Jerschow of New York University, Eleonora Del Federico of the Pratt Institute, and their colleagues have now discovered why the blue pigment fades. Their findings could provide art conservationists with vital information on how to protect works of art.
You can read the full story in the latest news round up from DB in SpectroscopyNOW.com