Ivory Black

 
Sample ID:
PK12000
Origin:
Animal; Charred ivory
Chemical Information:
Calcium phosphate containing carbon: C, Ca3(PO4)2
Sample Type:
Reference material
Description:
Powder sample (0-120 µ)
History of use:
Since antiquity
Sample Source:
Kremer Pigments
Alternative names:
C.I. Pigment Black 9; Animal Black
Material Class:
Carbon-based pigments
Acquisition Conditions:
Current intensity: 10.60 µA
Tube voltage: 40 kV
Analysis time: 300 s
No filtering, air atmosphere