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
Atom
- Name
- Iron(III) cation
- IUPAC name
- Iron(3+) cation
- InChI
- InChI=1S/Fe/q+3
- InChI key
- VTLYFUHAOXGGBS-UHFFFAOYSA-N
- CAS number
- 20074-52-6
- Comments
- natural Fe3+ - 91.8% 56Fe3+ + 5.8% 54Fe3+ + 2.1% 57Fe3+ + 0.28% 58Fe3+
- Symbol
- Fe3+
- Formula
- $Fe^{3+}$
- Charge
- 3
- Atomic number Z
- 26
- Molar mass
- 55.845 $g/mol$
- Isotope mixture type
- terrestrial abundance