The Solubility of ammonia in ethanol between 277.35 K and 328.15 K

The solubility of ammonia in ethanol has been measured by a static vapor–liquid equilibrium method. The total pressure ranges up to about 0.72 MPa. The temperature amounts to 277.35, 288.65, 298.15, 308.75, 318.25 and 328.15 K. The experimental results are used to determine Henry's law constant. From their variation with temperature, the average absolute relative deviation of the Henry's law constant from appropriate smoothing equation is 4.42%.

Research highlights
► We measured the solubility of ammonia in ethanol by a static vapor–liquid equilibrium method.
► The mixed second virial coefficient B12 was used to calculate the molar volume of vapor V.
► The maximum mole fraction of ammonia in the liquid x2 are 0.56, 0.52, 0.56, 0.52, 0.34 and 0.30 at 277.35, 288.65, 298.15, 308.75, 318.25 and 328.15 K respectively.
► The relationship between Henry's law constant and temperature can be described by an equation.