Pigments Checker

raw sienna

Used from antiquity, sienna is compatible with all other pigments and is often used in mixture with several other pigments.

Manufacturer / product code:  Kremer / 17050
Chemical description: iron oxides. brown earth from a site near Grosseto, Italy.  Kremer PDF
Color: brown
Color Index: PY 43


Raman spectroscopy

DOWNLOAD Free Raman Database

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

Raw sienna 17050 Raman Spectroscopy Pigments Checker


XRF spectroscopy

DOWNLOAD Free Online Database

DOWNLOAD paper: R. Larsen, N. Coluzzi, A. Cosentino “Free XRF Spectroscopy database of Pigments Checker” Intl Journal of Conservation Science.


Reflectance spectroscopy

DOWNLOAD Free Reflectance Database

DOWNLOAD paper:  “FORS spec­tral data­base of his­tor­i­cal pig­ments in dif­fer­ent binders”

Raw Sienna