About the chemical structure:
Chemical name: | calcium phosphate + calcium carbonate +carbon |
Formula: | Ca3(PO4)2 + CaCO3 +C |
Refractive index: | n/a |
Color:
Color Index (C.I.) | PBk 9 |
How can you identify Bone black?
Imaging:
UVF: no
IRFC: black
Analytics:
Bone black can be identified by means of FTIR
Raman spectra: University College London;
FTIR spectra: IRUG;
Usage and handling:
Permanence: | Toxicity: |
---|---|
Lightfast: excellent Degradation processes: bone black is a permanent color for all uses on the artist's palette. It is compatible with all other pigments and can be used with good results in all mediums. |
non toxic. Care should be used in handling the dry powder pigment to avoid inhaling the dust. MSDS: Kremer |
Literature:
The Chemistry of Paints and Painting, Sir arthur H. Church, fourth edition, SEELEY, SERVICE & CO. LIMITED 1915, p 270.