Elements of Cultural Heritage - Nitrogen
Focus on two classes of nitrogen-bearing organic pigments and dyes. Enjoy! #Pigment #Pigmento #Blue #Blu #Dyes #Nitrogen #Azopigments...
Egyptian blue on the Crime Scene
It seems that they use ancient pigments at CSI ;) Learn more. Enjoy! #CSI #EgyptianBlue #BluEgizio #CrimeScene #Fingerprints #Pigment...