Database of ATR-FT-IR spectra of various materials

ATR-FT-IR spectra of conservation-related materials in the MID-IR and FAR-IR region

Ultramarine blue

Ultramarine blue (approx. 3Na₂O·3Al₂O₃·6SiO₂·2Na₂S) from Kreidezeit Naturfarben GmbH.

ATR-FT-IR spectrum in the region of 4000-225 cm^–1