Burnt umber
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.
A natural mixture of iron and manganese oxides and hydroxides. Used throughout history,
Manufacturer / product code: Kremer / 40710
Chemical description: natural brown earth, containing manganese oxides, from Cyprus. KREMER PDF
Color: brown
Color Index: PBr8
More info: Pigments Through The Ages Colourlex
Raman Spectroscopy 532 nm – ElviRa Spectrometer for Art
Raman Spectroscopy 532 nm (ElviRa spectrometer) Pigments-Checker Database (74104 downloads )
Raman spectroscopy 785 nm
Pigments (powder, no binder)
Raman Spectroscopy 785 nm Pigments (pure, no binder) (76751 downloads )
Pigments with acrylic binder (Pigments Checker)
Raman Spectroscopy 785 nm Pigments-Checker Database (77678 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 (62669 downloads )
XRF spectroscopy
XRF Spectroscopy Pigments-Checker Database (88987 downloads )
DOWNLOAD previous database from Pigments Checker V.3 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 (93000 downloads )
Reflectance spectroscopy – Gorgias Spectrometer for Art
Reflectance Spectroscopy (350-950 nm) (Gorgias) Pigments-Checker Database (99192 downloads )
DOWNLOAD Free Reflectance Database
DOWNLOAD paper: “FORS spectral database of historical pigments in different binders”
FT-IR Spectroscopy (Non-invasive Diffuse Reflectance Probe)
FTIR Diffuse Reflectance Spectroscopy Pigments-Checker Database (78153 downloads )
FTIR non-invasive Spectroscopy Pigments (pure, no binder) Database (80663 downloads )
