Section: 6 | Minerals and pigments (MP) | Page: 6 |
IRUG filename: RMP00006 | Data type: Raman | IRUG material class: Minerals and pigments (MP) |
Sample type: Reference material | Common name(s): Chrome yellow, Pigment Yellow 34 (PY34), CI77600 | Chemical/botanical name(s): Lead chromate |
CAS name: C.I. Pigment Yellow 34, Chromic acid (H2CrO4), lead(2+) salt (1:1) | Sample source 1: Forbes Pigment Collection, Harvard University Art Museum | Source location 1: 32 Quincy St, Cambridge, MA, 02138, USA |
Sample source 2: Forbes Pigment Collection, Museum of Fine Arts, Boston | Source location 2: 465 Huntington Avenue, Boston, MA, 02115, USA | Sample identifier 2: MFA 303 |
Color: Yellow | Application: Raman microscopy/microspectroscopy | Excitation source (nm): 785 |
Mode: Scat | Originating institution name: Museum of Fine Arts, Boston | Originating institution acronym: MFAB |
Molecular formula: Cr O4 Pb | Linear formula: PbCrO4 | CAS registry no: 1344-37-2 (PY34), 7758-97-6 |
Other analytical methods: EDS (energy dispersive spectroscopy), XRD (x-ray diffraction), XRF (x-ray fluorescence) |