About the chemical structure:
| Chemical name: | Cobalt(II)-phosphate or Cobalt(II)-arsenate |
| Formula: | Co3(PO4)2 or Co3(AsO4)2 |
| 3D model: |
grey = phosphorus, light blue = cobalt, red = oxygen |
| Refractive index: | n/a |
Color:
| Color Index (C.I.) | PV 48 |
How can you identify Cobalt violet?
Imaging:
OM: Cobalt violets appear as irregular-shaped particles and particle clusters under the microscope.
Analytics:
It's identified by means of FTIR and Raman
Raman: Coloraman project
FTIR: IRUG
Usage and handling:
| Permanence: | Toxicity: |
|---|---|
Lightfast: excellent Degradation processes: very stable. |
non toxic. However, care should be used in handling the dry powder pigment to avoid inhaling the dust. MSDS: Holbein |
Literature:
How to Mix and Use Colour, Tony Paul, New Holland publishers (UK), p124, p. 94-95.
Sections: