Density and refractive index measurements of transition-temperature mixture (deep eutectic analogues) based on potassium carbonate with dual hydrogen bond donors for CO2 capture Ghaedi, H.; Ayoub, M.; Sufian, S.; Shariff, A.M.; Lal, B.; Wilfred, C.D.; The Journal of Chemical Thermodynamics 2018, 118, 147-158