ATR-FT-IR spectra of different fillers
ATR-FT-IR spectra were recorded using a Thermo Scientific Nicolet 6700 FT-IR spectrometer with a “Smart Orbit” diamond micro-ATR accessory in mid-IR and far-IR regions: 4000-225 cm-1 (with DLaTGS detector and CsI beamsplitter).
| CARBONATES | Aragonite; Barium carbonate; Calcite; Chalk; Dolomite; Hydrated magnesium carbonate; Potassium carbonate; Sodium carbonate |
| SULPHATES | Barium sulphate; Gypsum; Lead sulphate; Potassium sulphate; Sodium sulphate |
| SILICA AND SILICATES | Chlorite; Glauconite; Kaolinite; Microcline; Plagioclase; Quartz; Sand; Talc |
| OXIDES | Aluminium oxide; Ferrous Ferric oxide; Iron(III) oxide |