Experiment
Vis-NIR reflectance spectra of Huy pigments (PIG_0172_A): blocks, powders, plots and painted matters
Sub-Experiment
Powders - grain sizes
Spectrum
Vis-NIR reflectance spectrum of Huy pigment (PIG_0172_A_608), powder with grains < 50 µm
Spectrum
Vis-NIR reflectance spectrum of Huy pigment (PIG_0172_A_601), powder with grains < 160 µm, d=1.01 g/cm3
Spectrum
Vis-NIR reflectance spectrum of Huy pigment (PIG_0172_A_607), powder with grains 100-200 µm
Spectrum
Vis-NIR reflectance spectrum of Huy pigment (PIG_0172_A_606), powder with grains 200-400 µm
Spectrum
Vis-NIR reflectance spectrum of Huy pigment (PIG_0172_A_605), powder with grains > 400 µm
Sub-Experiment
Powders - density
Spectrum
Vis-NIR reflectance spectrum of Huy pigment (PIG_0172_A_601), powder with grains < 160 µm, d=1.37 g/cm3
Spectrum
Vis-NIR reflectance spectrum of Huy pigment (PIG_0172_A_601), powder with grains < 160 µm, d=0.95 g/cm3
Spectrum
Vis-NIR reflectance spectrum of Huy pigment (PIG_0172_A_601), powder with grains < 160 µm, d=1.55 g/cm3
Spectrum
Vis-NIR reflectance spectrum of Huy pigment (PIG_0172_A_601), powder with grains < 160 µm, d=1.93 g/cm3
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