bitumen

It was very popular in the 18th and 19th centuries.

Manufacturer / product code:  Zecchi / 0098
Chemical description: high-molecular hydrocarbons
Color: blue
Color Index: NBk6
More info: C. Bothe “Asphalt” In: B. Berrie, Artists’ Pigments: A Handbook of Their History and Characteristics Volume 4, National Gallery of Art, Washington, 2007.


Raman spectroscopy

Pigments (powder, no binder)


Raman Spectroscopy 785 nm Pigments (pure, no binder)


Pigments with acrylic binder (Pigments Checker)


Raman Spectroscopy 785 nm Pigments-Checker Database


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”

Bitumen Z0098 Raman Spectroscopy Pigments Checker

XRF spectroscopy

XRF Spectroscopy Pigments-Checker Database

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.


Reflectance Spectroscopy (200-1000 nm) – GorgiasUV Spectrometer


Reflectance Spectroscopy (200-1000 nm) (GorgiasUV) Pigments-Checker Database

 

Reflectance spectroscopy – Gorgias spectrometer for Art


Reflectance Spectroscopy (350-950 nm) (Gorgias) Pigments-Checker Database

bitumen Reflectance

NIR Reflectance spectroscopy


NIR-Reflectance Spectroscopy (930-1690 nm) Pigments-Checker Database


FT-IR Spectroscopy (Non-invasive Diffuse Reflectance Probe)


FTIR Diffuse Reflectance Spectroscopy Pigments-Checker Database


FTIR non-invasive Spectroscopy Pigments (pure, no binder) Database