$a$	thermodynamic activity
$A$	Helmholtz energy/J
$\Delta c_{P,i}^{SL}$	difference of the heat capacity of the solid and the liquid component i at its melting point/kJ K−1 kg−1
${\Delta \mathrm{h}}^{\mathrm{SL}}$	melting enthalpy/kJ kg−1
$k_b$	Boltzmann constant/J K−1
$k_{ij}$	binary interaction parameter
$m_{seg}$	number of segments of component i
$M_i$	molar mass of component i/g mol−1
$\mathrm{N}$	number experimental data points
$N_i^{assoc}$	number of association sites
$p$	pressure/bar
$R$	gas constant/J mol−1 K−1
$T$	temperature/K
$u_i/k_B$	dispersion energy parameter/K
$w_i$	mass fraction of component i
$x_i$	mole fraction of component i
Greek symbols
${\gamma }_i$	activity coefficient of component i
${\epsilon }^{AiBi}/k_B$	association energy parameter/K
${\kappa }^{AiBi}$	association volume parameter
$\rho$	density/g cm−3
${\mathsf{\nu }}_{\mathrm{i}}$	stoichiometric coefficient of component i
${\sigma }_i$	segment diameter/Å
Subscripts
calc	calculated
exp	experimental
$i,j$	component i, component j
Superscripts
L	liquid
trans	transition
S	solid
V	vapor
Abbreviations
AA	ascorbic acid
ARD	average relative deviation
CA	citric acid anhydrate
DRH	deliquescence relative humidity
L	liquid phase
PC-SAFT	perturbed-chain statistical associating fluid theory
RH	relative humidity