Parameters
Bath temperature K (C); Tb
Air Pressure, kPa (mmHg), kPa; Pair
Air Temperature, K , Tair
Diethyl Saturation Pressure (mmHg), kPa; Psat
Psat/Pair
ln(1- Psat/Pair)
Diethyl ether density, kg/m3, L
Molar mass kg/kmol, WDE
Diethyl ether molar density, kmol/m3, L
Air density, kg/m3, air
Air Molar mass kg/kmol, WAir
Air molar density, kmol/m3, Air
Ratio Air/L
A = 2*Air/L)* ∣ln(1- Psat/Pair)∣
Slope AD12 of the function L2-L2o = AD12*t
(m2/s)
Diffusion coefficient (slope/A) m2/s; D12
Trial 1 K
Trial 2
Trial 3