Section: 6 | Minerals and pigments (MP) | Page: 300 |
IRUG filename: IMP00300 | Data type: Infrared | IRUG material class: Minerals and pigments (MP) |
Sample type: Reference material | Common name(s): Chrome yellow, lead chromate (pure), Pigment Yellow 34 (PY34), CI77600 | Chemical/botanical name(s): Lead chromium oxide (PbCrO4) |
CAS name: Chromic acid (H2CrO4), lead(2+) salt (1:1) | Sample source 1: Ansbacher-Siegle Corp. | Source location 1: Staten Island, NY, US |
Sample source 2: Forbes Pigment Collection, Straus Conservation Center, Fogg Art Museum | Source location 2: 32 Quincy St, Cambridge, MA, 02138, US | Sample identifier 2: Display 57 |
Color: Yellow | Age: 1941, dated | Application: MFTIR (Fourier transform infrared microspectroscopy) |
Mode: Tran | Originating institution name: Straus Center for Conservation, Harvard University Art Museums | Originating institution acronym: HUAM |
Molecular formula: Cr Pb O4 | Linear formula: PbCrO4 | CAS registry no: 7758-97-6 |