madder lake

The cultivation of madder root almost ceased after a synthetic method for making alizarin was discovered in 1868.

Manufacturer / product code: Cornelissen / rose madder
Chemical description: made from the roots of rubia tinctorum. 1,2-dihydroxyantraquinone.
Color: red
Color Index: NR9
More info: Pigments Through The Ages Colourlex

Raman spectroscopy 1064 nm

Pigments (powder, no binder)

Raman Spectroscopy 1064 nm Pigments-Checker Database

Madder lake

Raman spectroscopy 1064 nm

Reflectance Spectroscopy (200-1000 nm) – GorgiasUV Spectrometer

Reflectance spectroscopy – Gorgias Spectrometer for Art

NIR Reflectance spectroscopy