Cobalt blue
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
![](https://i0.wp.com/chsopensource.org/wp-content/uploads/2020/11/cobalt-blue.png?resize=980%2C397&ssl=1)
Raman spectroscopy 632 nm
Raman spectroscopy 785 nm
Pigments (powder, no binder)
![](https://i0.wp.com/chsopensource.org/wp-content/uploads/2020/11/cobalt-blue-spectrum-Raman-785-nm.png?resize=980%2C397&ssl=1)
Raman Spectroscopy 785 nm Pigments (pure, no binder)
Pigments with acrylic binder (Pigments Checker)
![](https://i0.wp.com/chsopensource.org/wp-content/uploads/2020/11/cobalt-blue-Raman-785-nm-acrylic-binder.png?resize=980%2C397&ssl=1)
Raman Spectroscopy 785 nm Pigments-Checker Database
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
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
![](https://i0.wp.com/chsopensource.org/wp-content/uploads/2021/05/cobalt-blue-pigments-checker-acrylic-GorgiasUV-FORS-Reflectance-spectroscopy.png?resize=980%2C397&ssl=1)
Reflectance spectroscopy – Gorgias Spectrometer for Art
Reflectance Spectroscopy (350-950 nm) (Gorgias) Pigments-Checker Database
NIR Reflectance spectroscopy
NIR-Reflectance Spectroscopy (930-1690 nm) Pigments-Checker Database
![](https://i0.wp.com/chsopensource.org/wp-content/uploads/2020/10/cobalt-blue-NIR-spectrum-InGaAs-1.png?w=980&ssl=1)
FT-IR Spectroscopy (Non-invasive Diffuse Reflectance Probe)
![](https://i0.wp.com/chsopensource.org/wp-content/uploads/2020/12/cobalt-blue-acrylic-binder-FTIR-Spectroscopy.png?resize=980%2C417&ssl=1)
FTIR Diffuse Reflectance Spectroscopy Pigments-Checker Database
FTIR non-invasive Spectroscopy Pigments (pure, no binder) Database