Abstract
A thermodynamic model for the solubility of nitrogen in pure water (273–623 K, 0–600 bar) and in aqueous NaCl solutions (0–4m, 273-473 K, 0–600 bar) is presented. The model is based on a specific interaction model for the liquid phase and a highly accurate equation of state for the vapor phase. Comparison of the model predictions with experimental data indicates that the model predictions are within or close to experimental uncertainty. Most experimental data sets are consistent within errors of about 7%. Although the parameters were evaluated from data for binary and ternary systems, the model can be used to predict nitrogen solubility in much more complicated systems like seawater.
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Sun, R., Hu, W. & Duan, Z. Prediction of Nitrogen Solubility in Pure Water and Aqueous NaCl Solutions up to High Temperature, Pressure, and Ionic Strength. Journal of Solution Chemistry 30, 561–573 (2001). https://doi.org/10.1023/A:1010339019489
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DOI: https://doi.org/10.1023/A:1010339019489