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 (47362 downloads )
Reflectance Spectroscopy (200-1000 nm) – GorgiasUV Spectrometer
Reflectance Spectroscopy (200-1000 nm) (GorgiasUV) Pigments-Checker Database (75669 downloads )
Reflectance spectroscopy – Gorgias Spectrometer for Art
Reflectance Spectroscopy (350-950 nm) (Gorgias) Pigments-Checker Database (82755 downloads )
NIR Reflectance spectroscopy
NIR-Reflectance Spectroscopy (930-1690 nm) Pigments-Checker Database (71925 downloads )
