Ultramarine Blue (very dark)

 
Sample ID:
PK45000
Origin:
Artificial
Chemical Information:
Sodium-aluminium-sulfo-silicate
Sample Type:
Reference material
Description:
Powder sample (median size 3.8 µ)
History of use:
Since 1828
Sample Source:
Kremer Pigments
Alternative names:
C.I. Pigment Blue 29, PB29; Synthetic Ultramarine
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: 2000 ms