burnt sienna

Burnt sienna

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.

The traditional source of siennas have been the quarries near Siena in Italy.

Manufacturer / product code:  Kremer / 40430
Chemical description: made by calcining Italian raw sienna.  Calcined iron oxide and hydrated iron oxide Kremer PDF
Color: brown
Color Index: PR101
More info: Colourlex


 Raman spectroscopy

Pigments (powder, no binder)

burnt sienna -Raman-632-Pigments


Raman Spectroscopy 785 nm Pigments (pure, no binder) (83457 downloads )


Pigments with acrylic binder (Pigments Checker)


Raman Spectroscopy 785 nm Pigments-Checker Database (84556 downloads )


Pure pigments (no binder, just powder)

DOWNLOAD Free Raman Database

DOWNLOAD paper:   “Pigments Checker version 3.0, a handy set for conservation scientists: A free online Raman spectra database”

Burnt Sienna 40430 Raman Spectroscopy Pigments Checker

Raman spectroscopy 830 nm

Pigments (powder, no binder)

Raman Spectroscopy 830 nm Pigments-Checker Database (68347 downloads )

 


 

Raman spectroscopy 1064 nm

Pigments (powder, no binder)


Raman Spectroscopy 1064 nm Pigments-Checker Database (63207 downloads )


 

XRF spectroscopy

XRF Spectroscopy Pigments-Checker Database (98527 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 (101577 downloads )

Reflectance spectroscopy -Gorgias spectrometer for Art


Reflectance Spectroscopy (350-950 nm) (Gorgias) Pigments-Checker Database (107334 downloads )

Burnt Sienna

NIR Reflectance spectroscopy


NIR-Reflectance Spectroscopy (930-1690 nm) Pigments-Checker Database (96224 downloads )


FT-IR Spectroscopy (Non-invasive Diffuse Reflectance Probe)

FTIR Diffuse Reflectance Spectroscopy Pigments-Checker Database (85251 downloads )

FTIR non-invasive Spectroscopy Pigments (pure, no binder) Database (88099 downloads )