Graphite

 
Sample ID:
PSC18720
Origin:
Natural mineral
Chemical Information:
Natural graphite (crystallized carbon)
Sample Type:
Reference material
Description:
Powder sample
History of use:
Since ancient times
Sample Source:
Schmincke (Series 18 - Pure artists’ pigments)
Alternative names:
C.I. Pigment Black 10, PBk10, Plumbago, Black Lead
Material Class:
Carbon-based pigments
Acquisition Conditions:
Excitation source: 785 nm
Laser spot size: 170 µm
Resolution: 7 cm-1
Laser power: 1 mW
Acquisition time: 10000 ms