Cobalt Blue (dark)

 
Sample ID:
PK45700
Origin:
Artificial
Chemical Information:
Cobalt(II) oxide-aluminum oxide / (Co,Zn)2SiO4
Sample Type:
Reference material
Description:
Powder sample (median size 4.2 µ)
History of use:
Starting with 1804
Sample Source:
Kremer Pigments
Alternative names:
C.I. Pigment Blue 74, PB74, Thénards blue, Dresden blue
Material Class:
Inorganic pigments, synthetic
Acquisition Conditions:
Excitation source: 785 nm
Laser spot size: 170 µm
Resolution: 7 cm-1
Laser power: 1 mW
Acquisition time: 10000 ms