Prepared in antiquity from the ink of the shellfish Murex trunculis and Murex brandaris.
Manufacturer/ product code: Kremer / 36010
Chemical Description: natural 6,6´-dibromindigo with impurities
Color: violet
Color Index: NV 1
More info: Kremer
Raman Spectroscopy 532 nm – ElviRa Spectrometer for Art
Raman 532 nm cannot identify this pigment.
Raman Spectroscopy 532 nm (ElviRa spectrometer) Pigments-Checker DatabaseRaman spectroscopy 785 nm
Raman 785 nm cannot identify this pigment.
Raman Spectroscopy 785 nm Pigments (pure, no binder) Raman Spectroscopy 785 nm Pigments-Checker DatabaseRaman spectroscopy 1064 nm
Pigments (powder, no binder)
XRF spectroscopy
XRF cannot identify this pigment.
XRF Spectroscopy Pigments-Checker DatabaseReflectance Spectroscopy (200-1000 nm) – GorgiasUV Spectrometer
Reflectance Spectroscopy (200-1000 nm) (GorgiasUV) Pigments-Checker Database
Reflectance Spectroscopy (350-950 nm) – Gorgias Spectrometer
Reflectance Spectroscopy (350-950 nm) (Gorgias) Pigments-Checker Database
NIR Reflectance Spectroscopy (930 – 1690 nm)
NIR-Reflectance Spectroscopy (930-1690 nm) Pigments-Checker Database
FT-IR Spectroscopy (Non-invasive Diffuse Reflectance Probe)
