Dark Ochre, Italian

 
Sample ID:
PK40320
Origin:
Mineral; Provenance: Italy
Chemical Information:
Natural ochre from Italy / Fe2O3 H2O + CaCO3 + CaSO4
Sample Type:
Reference material
Description:
Powder sample (0-120 µ)
History of use:
Since antiquity
Sample Source:
Kremer Pigments
Alternative names:
C.I. Pigment Yellow 43, PY43, Ochre
Material Class:
Earth pigments
Acquisition Conditions:
Current intensity: 10.60 µA
Tube voltage: 40 kV
Analysis time: 300 s
No filtering, air atmosphere