In this work, the absorption–desorption performance of CO2 in six new solvent blends amine (diisopropylamine (DPA), 2-amino-2-methyl-1-propanol (AMP), methyldiethanolamine (MDEA), diethanolamine (DEA), diisopropanolamine (DIPA), and ethanolamine (MEA)), sulfolane, methanol has been monitored using ATR-FTIR spectroscopy. Additionally, NMR-based species confirmation viscosity analysis were done f...