burnt sienna

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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)

Raman Spectroscopy 785 nm Pigments (pure, no binder) (80428 downloads )

Pigments with acrylic binder (Pigments Checker)

Raman Spectroscopy 785 nm Pigments-Checker Database (81463 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 (65761 downloads )

Raman spectroscopy 1064 nm

Pigments (powder, no binder)

Raman Spectroscopy 1064 nm Pigments-Checker Database (60702 downloads )

XRF spectroscopy

XRF Spectroscopy Pigments-Checker Database (93952 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.