according to Shide Mao and Zhenhao Duan (2008) 0-300°C; 0.1-100MPa; 0-6 mol/kg
http://dx.doi.org/10.1016/j.jct.2008.03.005
http://www.geochem-model.org/wp-content/uploads/2009/09/55-JCT_40_1046.pdf
Brine has the same evaporation temperature as pure water, only different saturation pressure.
function density_Duan2008_pTX input SI.Pressure p; input SI.Temp_K T; input SI.MassFraction X[:] "mass fractions m_NaCl/m_Sol"; input SI.MolarMass MM_vec[:] "molar masses of components"; input BrineProp.SaltDataDuan.SaltConstants[:] Salt_Constants; output SI.Density d; end density_Duan2008_pTX;