Advances in Earth Science ›› 1994, Vol. 9 ›› Issue (5): 32-38. doi: 10.11867/j.issn.1001-8166.1994.05.0032

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Li Jun,Gao Shiyang   

  1. Institute of Salt Lakes,Academia Sinica,Xining  810008
  • Received:1993-07-03 Revised:1994-03-23 Online:1994-09-01 Published:1994-09-01

Li Jun,Gao Shiyang. CHEMICAL MODELING OF AQUEOUS SYSTEMS[J]. Advances in Earth Science, 1994, 9(5): 32-38.

The chemical model of aqueous systems is becoming a valuable tool for geochemist ininterpretation of equilibrium and kinetic phenomena of natural water systems. In this paper,the historical aspects and features,including the mathematical formalism and the thermodynamic formalism,of chemical equilibrium computation were described.The chemicalmodels used in geochemical research could be seperated into several series and were brieflyintroduced.In the past decade,few new model codes appeared and great effort was underway to improve and qualify existing models.An obvious feature of the new model is thatthese model can provide several methods to calculate the activity coefficients of aqueous so-lution from dilution to high concentration. The new concern of chemical modeling as follows: model sensitivity analysis, thermodynamic and kinetic data advancements, organic compounds, and coupling of hydrology and chemistry.

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