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Interactive IRUG Spectrum
| Section: 6 | Minerals and pigments (MP) | Page: 309 |
Copyright © 1993-2024 Infrared and Raman Users Group (IRUG)
Details
IRUG filename: IMP00309 | Data type: Infrared | IRUG material class: Minerals and pigments (MP) |
Sample type: Reference material | Common name(s): Pompeian blue, Pigment Blue 31 (PB31), CI77437 | Chemical/botanical name(s): Calcium copper silicate |
CAS name: Silicic acid (H2Si2O5), calcium copper(2+) salt (2:1:1), C.I. Pigment Blue 31 | Sample source 1: Forbes Pigment Collection, Straus Conservation Center, Fogg Art Museum | Source location 1: 32 Quincy St, Cambridge, MA, 02138, US |
Sample identifier 1: 8.01.1 | Color: Blue | 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: Ca Cu Si4 O10 | Linear formula: CaCu(Si2O5)2 | CAS registry no: 10279-60-4, 945558-75-8 (PB31) |