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RT @Chem_Central: Faded shine: degradation of brass powder in two 19th C. paintings http://t.co/LelgOlPDG2 #HeritageScience #ChemCh2014 htt…
RT @Chem_Central: Faded shine: degradation of brass powder in two 19th C. paintings http://t.co/LelgOlPDG2 #HeritageScience #ChemCh2014 htt…
RT @Chem_Central: Faded shine: degradation of brass powder in two 19th C. paintings http://t.co/LelgOlPDG2 #HeritageScience #ChemCh2014 htt…
Faded shine: degradation of brass powder in two 19th C. paintings http://t.co/LelgOlPDG2 #HeritageScience #ChemCh2014 http://t.co/Jk1iQHIZNQ
Faded shine: degradation of brass powder in two 19th C. paintings http://t.co/LelgOlPDG2 #HeritageScience #ChemCh2014 http://t.co/Jk1iQHIZNQ
Faded shine: degradation of brass powder in two 19th C. paintings http://t.co/LelgOlPDG2 #HeritageScience #ChemCh2014 http://t.co/Jk1iQHIZNQ