Experiment
Vis-NIR reflectance spectra of Beauregard pigments (PIG_0174_A): raw blocks, powders, polished plot and painted matter
Sub-Experiment
Painted on limestone
Spectrum
Vis-NIR reflectance spectrum of a thick layer of Beauregard pigment (PIG_0174_A_902) painted on limestone block
Spectrum
Vis-NIR reflectance spectrum of limestone block
Spectrum
Vis-NIR reflectance spectrum of a very thin layer of Beauregard pigment (PIG_0174_A_902, grains < 160 µm) painted on brown-grey limestone chip
Spectrum
Vis-NIR reflectance spectrum of brown-grey limestone chip
Chemical bond
- Name
- CO- bond
- Explicit name
- ~~C~O- fractional bond
- Comments
- natural $\dddot - \dddot - C \dddot - O^{-2/3}$ fractional bond - the O atom has a charge of -2/3
- Formula
- $\dddot - \dddot - C \dddot - O^{-2/3}$
- Chemical formula
- CO-
- Structural formula
- ~(~)[C]~[O(-)]
- Charge
- -1
- Isotope mixture type
- terrestrial abundance
- Polarity
- polar