Ultramarine Ash

 
Sample ID:
PK10580
Origin:
Natural mineral; Provenance: Afghanistan
Chemical Information:
Na2O·3Al·6SiO2·2Na2S
Sample Type:
Reference material
Description:
Powder sample
History of use:
Since antiquity
Sample Source:
Kremer Pigments
Alternative names:
C.I. Pigment Blue 29, PB29
Material Class:
Mineral pigments
Acquisition Conditions:
Current intensity: 10.60 µA
Tube voltage: 40 kV
Analysis time: 300 s
No filtering, air atmosphere