Experiment
Vis-NIR reflectance spectra of Bordezac pigments (Pig_0160_D): blocks, powders, plots and painted matters
Sub-Experiment
Raw and sawn blocks
Spectrum
Vis-NIR reflectance spectrum of Bordezac pigment (Pig_0160_D_101), raw block #1, face #1
Spectrum
Vis-NIR reflectance spectrum of Bordezac pigment (Pig_0160_D_101), raw block #1, face #2
Spectrum
Vis-NIR reflectance spectrum of Bordezac pigment (Pig_0160_D_201), raw block #2, face #1
Spectrum
Vis-NIR reflectance spectrum of Bordezac pigment (Pig_0160_D_201), raw block #2, face #3
Spectrum
Vis-NIR reflectance spectrum of Bordezac pigment (PIG_0160_D_301), block #3, sawn face #1
Spectrum
Vis-NIR reflectance spectrum of Bordezac pigment (PIG_0160_D_301), block #3, raw face #3
Chemical function
- Name
- Phosphate anion
- Explicit name
- Phosphate(3-) anion
- Comments
- mineral anionic radical $(PO_4)^{3-}$
- Formula
- $(PO_4)^{3-}$
- Chemical formula
- (PO4)3-
- Structural formula
- [O-][P](=O)([O-])[O-]
- Charge
- -3
- Unpaired electrons
- 0
- Isotope mixture type
- terrestrial abundance