Experiment
Vis-NIR reflectance spectra of Roussillon pigments (PIG_0173_A): raw blocks, powders with different grain sizes and painted matter
Sub-Experiment
Powders - grain sizes
Spectrum
Vis-NIR reflectance spectrum of Roussillon pigment (PIG_0173_A_607), powder with grains < 50 µm
Spectrum
Vis-NIR reflectance spectrum of Roussillon pigment (PIG_0173_A_601), powder with grains < 160 µm
Spectrum
Vis-NIR reflectance spectrum of Roussillon pigment (PIG_0173_A_606), powder with grains 100-200 µm
Spectrum
Vis-NIR reflectance spectrum of Roussillon pigment (PIG_0173_A_602), powder with grains > 160 µm
Spectrum
Vis-NIR reflectance spectrum of Roussillon pigment (PIG_0173_A_604), powder with grains 200-400 µm
Spectrum
Vis-NIR reflectance spectrum of Roussillon pigment (PIG_0173_A_603), powder with grains > 400µm
Sub-Experiment
Powders - density
Spectrum
Vis-NIR reflectance spectrum of Roussillon pigment (PIG_0173_A_605), powder with grains < 160 µm, d=0.75 g/cm3
Spectrum
Vis-NIR reflectance spectrum of Roussillon pigment (PIG_0173_A_605), powder with grains < 160 µm, d=1.41 g/cm3
Spectrum
Vis-NIR reflectance spectrum of Roussillon pigment (PIG_0173_A_605), powder with grains < 160 µm, d=1.79 g/cm3
Sub-Experiment
Raw and sawn blocks
Spectrum
Vis-NIR reflectance spectrum of Roussillon pigment (PIG_0173_A_303), block #1, sawn face #1
Spectrum
Vis-NIR reflectance spectrum of Roussillon pigment (PIG_0173_A_101), block #2, raw face #1
Spectrum
Vis-NIR reflectance spectrum of Roussillon pigment (PIG_0173_A_102), block #3, raw face #1
Spectrum
Vis-NIR reflectance spectrum of Roussillon pigment (PIG_0173_A_606), block #4, fresh face #1
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