Density Measurements of Unloaded and CO2-Loaded 3-Amino-1-propanol Solutions at Temperatures (293.15 to 353.15) K

The first part of this work presents experimental density data of aqueous 3-amino-1-propanol (3A1P) solutions at different compositions and temperatures of (293.15 to 353.15) K. It was found that densities decreased with increasing temperatures and were concentration dependent. Excess molar volumes of aqueous 3A1P were also established. Five different methods were compared for correlating density data of unloaded 3A1P solutions. In the second part of this work, densities of CO2-loaded solutions were measured at 0.1 and 0.5 mass fractions of 3A1P at increasing temperatures and CO2-loadings. Two different models were used to regress these experimental data. The suitability of these methods to represent densities of unloaded and CO2-loaded 3A1P solutions is evaluated.