Salts	$\ln (a_{w}) = \frac{K_{1}}{T} - K_{2}$	a_w (%)
Salts	$\ln (a_{w}) = \frac{K_{1}}{T} - K_{2}$	40˚C	50˚C	60˚C
KOH	lna_w = (2094.4890 × 1/T) − 9.4977	0.0630	0.0570	0.0550
LiCl	lna_w = (10.8233 × 1/T) − 2.2193	0.1120	0.1110	0.1100
MgCl₂	lna_w = (151.0652 × 1/T) − 1.6271	0.3120	0.3050	0.2930
KI	lna_w = (258.1545 × 1/T) − 1.2388	0.6610	0.6450	0.6310
NaCl	lna_w = (23.1092 × 1/T) − 0.3607	0.7470	0.7440	0.7450
KCl	lna_w = (157.0587 × 1/T) − 0.6967	0.8230	0.8120	0.8030