From: Modelling clay materials used in artworks: an infrared spectroscopic investigation
Wavenumber/cm−1 | Band assignments | References |
---|---|---|
712 | CaCO3 C–O bending | |
717, 728 | Paraffin C–H rocking | |
849, 872 | CaCO3 C–O bending | |
1030 | Oxidation products C–O stretching | |
1190 | Oxidation products C–C stretching | |
1367, 1378 | Paraffin C–H bending | |
1414 | CaCO3 C–O stretching | |
1463, 1470 | Paraffin C–H bending | |
1720, 1730 | Oxidation products C=O stretching | |
1790 | CaCO3 C=O stretching | |
2520 | CaCO3 overtone/combination band | |
2847, 2874, 2916, 2950 | Paraffin C–H stretching |