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
- Carbonate anion
- Explicit name
- Carbonate(2-) anion
- Comments
- mineral anionic radical $(CO_3)^{2-}$
- Formula
- $(CO_3)^{2-}$
- Chemical formula
- (CO3)2-
- Structural formula
- [O-][C](=O)[O-]
- Charge
- -2
- Unpaired electrons
- 0
- Isotope mixture type
- terrestrial abundance