| Section: 6 | Minerals and pigments (MP) | Page: 22 | 
IRUG filename: RMP00022  | Data type: Raman  | IRUG material class: Minerals and pigments (MP)  | 
Sample type: Reference material  | Common name(s): Aureolin, Cobalt Yellow, Pigment Yellow 40 (PY40), CI77357  | CAS name: Cobaltate(3-), hexakis(nitrito-κN)-, potassium (1:3), (OC-6-11)- Coordination Compound  | 
Sample source 1: Weber  | Sample source 2: Forbes Pigment Collection, Harvard University Art Museum  | Source location 2: 32 Quincy St, Cambridge, MA, 02138, USA  | 
Sample identifier 2: 55 (SCC), 10 (SCC old)  | Sample source 3: Forbes Pigment Collection, Museum of Fine Arts, Boston  | Source location 3: 465 Huntington Avenue, Boston, MA, 02115, US  | 
Color: Red  | Age: 1927, dated  | Application: Raman microscopy/microspectroscopy  | 
Excitation source (nm): 532  | Mode: Scat  | Originating institution name: Museum of Fine Arts, Boston  | 
Originating institution acronym: MFAB  | Linear formula: K(3-x)Na(x)[Co(NO2)6]*nH2O, where x ≤ 1  | CAS registry no: 13782-01-9  |