Cobalt blue
This page presents the Spectroscopic analysis of this pigment.
The pigment has been examined using XRF spectroscopy, Raman spectroscopy, FTIR spectroscopy, and Reflectance Spectroscopy. These complementary techniques provide valuable insights into the pigment’s composition and structure.
This page aims to show which analytical methods are most effective for identifying this pigment in artworks and historical materials. By comparing results across different techniques, it serves as a practical reference for Heritage Science, Conservation, and Pigment Analysis.
One of the most stable blue pigments.
Manufacturer / product code: Zecchi / C0953
Chemical description: cobalt aluminate
Color: blue
Color Index: PB28
More info: Pigments Through The Ages Colourlex
Raman Spectroscopy 532 nm – ElviRa Spectrometer for Art
Raman Spectroscopy 532 nm (ElviRa spectrometer) Pigments-Checker Database (78171 downloads )
Raman spectroscopy 632 nm
Raman spectroscopy 785 nm
Pigments (powder, no binder)
Raman Spectroscopy 785 nm Pigments (pure, no binder) (80427 downloads )
Pigments with acrylic binder (Pigments Checker)
Raman Spectroscopy 785 nm Pigments-Checker Database (81462 downloads )
Pure pigments (no binder, just powder)
DOWNLOAD paper: “Pigments Checker version 3.0, a handy set for conservation scientists: A free online Raman spectra database”
Raman spectroscopy 830 nm
Pigments (powder, no binder)
Raman Spectroscopy 830 nm Pigments-Checker Database (65761 downloads )
XRF spectroscopy
DOWNLOAD paper: R. Larsen, N. Coluzzi, A. Cosentino “Free XRF Spectroscopy database of Pigments Checker” Intl Journal of Conservation Science.
Reflectance Spectroscopy (200-1000 nm) – GorgiasUV Spectrometer
Reflectance Spectroscopy (200-1000 nm) (GorgiasUV) Pigments-Checker Database (97712 downloads )
Reflectance spectroscopy – Gorgias Spectrometer for Art
Reflectance Spectroscopy (350-950 nm) (Gorgias) Pigments-Checker Database (103734 downloads )
NIR Reflectance spectroscopy
NIR-Reflectance Spectroscopy (930-1690 nm) Pigments-Checker Database (92590 downloads )
FT-IR Spectroscopy (Non-invasive Diffuse Reflectance Probe)
FTIR Diffuse Reflectance Spectroscopy Pigments-Checker Database (82091 downloads )
FTIR non-invasive Spectroscopy Pigments (pure, no binder) Database (84772 downloads )
