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Table 1 Chemical composition of Urmia lake water derivatives obtained by modelling the isothermal evaporation of Urmia lake water at 25°C and at the starting point of mineral precipitation

From: Thermodynamic quantities and Urmia Sea water evaporation

Ions Urmia Sea water (mol/kg H2O) Initial point of halite (NaCl) Precipitation (mol/kg H2O) Initial point of carnalite (KMgCl3.6H2O) Precipitation (mol/kg H2O)
Na+ 4.900 5.6457 3.78
K+ 0.005 0.005759 0.018
Mg2+ 0.46125 0.5314 1.62
Ca2+ 0.015625 0.018 0.055
Cl- 5.400 6.22105 15.3
Br- 0.00625 0.0072 0.022
HCO 3 - 0.0098 0.011295 0.343
SO 4 - 0.18125 0.0834 0.0494
l 6.477 7.211 13.03
f enrich 1 1.1525 3.5
αH2O 0.775 0.741 0.499
ρ(g/cm3)a 1.2030 1.2142 1.3186
  1. a The density values were calculated by the method described in Krumgals et al. [27]
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Aquatic Biosystems

ISSN: 2046-9063