Thermodynamic quantities and Urmia Sea water evaporation

Aquatic Biosystems

Table 2 Water activity of Urmia sea water and its derivations at various temperatures

Brine	Temperature (°C)
	10	20	25	30	40	50
Urmia Sea water	0.698	0.771	0.775	0.779	0.781	0.784
Evaporated Urmia Sea water in the halite point	0.736	0.739	0.741	0.743	0.750	0.753
Evaporated Urmia Sea water in the carnalities point	0.490	0.494	0.499	0.507	0.510	0.522

^a The density values were calculated by the method described in Krumgals et al. [27]