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Outotec's chemical reaction and equilibrium software HSC Chemistry is the world's favorite thermochemical software with a versatile flowsheet simulation module. HSC is designed for various kinds of chemical reactions and equilibria calculations as well as process simulation.
Benefits HSC software makes conventional thermodynamic calculations fast and easy to carry out with personal computers. Therefore HSC has a wide range of applications in scientific education, industry and research. Thermochemical calculations are useful, for example, when developing new chemical processes and improving old ones. HSC Chemistry is also a useful tool for universities and schools in chemical practicals and studies.Traditionally, thermodynamic calculations based on experimental or assessed data have utilized stability functions in various thermodynamic data books and papers in scientific journals. The difficult searching stage and complicated calculations, as well as inconsistencies arising from different selections of standard and reference states, made this calculation procedure quite timeconsuming. HSC Chemistry offers powerful calculation methods for studying the effects of different variables on the chemical system at equilibrium. For example, if the user gives the raw materials, amounts and other conditions of almost any chemical process, the program will give the amounts of the product as a result. HSC also makes heat and material balance calculations of different processes much more easily than any manual method. The EhpH diagrams option also offers a very fast way of studying the dissolution and corrosion behavior of different materials. Of course, HSC cannot solve all chemical problems, because it does not take into account the kinetics (rates) of chemical reactions and the nonideality of solutions. However, in many cases it is a very inexpensive and useful tool which helps to find the optimal reaction conditions and yields for experimental investigations without expensive trialanderror chemistry.
About the software The name of the program is based on the feature that calculation modules automatically utilize the same extensive thermochemical database, which contains enthalpy (H) , entropy (S) and heat capacity (C) data, for more than 25 000 chemical compounds. This database is equivalent to more than twenty thick data books.The current HSC version 8.0 contains 24 calculation modules: 1. Sim  Process simulation 2. Reaction Equations 3. Heat and Material Balances 4. Heat Loss Calculator 5. Equilibrium Calculations 6. Electrochemical Cell Equilibriums 7. EhpH Diagrams  Pourbaix 8. H, S, C and Ellingham Diagrams 9. Tpp Diagrams  Stability diagrams 10. Lpp Diagrams  Stability diagrams 11. Water  Steam tables, etc. 12. H, S, Cp Estimates 13. Conversions  Species to elements 14. Mineralogy Iterations 15. Periodic Chart  Elements 16. Measure Units 17. HSC AddIn Functions 18. Data  Statistical analysis 19. Geo  Mineralogical calculations 20. Map  GPS material stock 21. Fit  Numerical Data fit 22. Aqua
HSC also contains: 1. H, S and Cp Thermochemical Database 2. Water Steam/Fluid Database 3. Heat Conduction Database 4. Heat Convection Database 5. Surface Radiation Database 6. Gas Radiation Calculator 7. Particle Radiation Calculator 8. Elements Database 9. Measure Units Database 10. Minerals Database with 3581 minerals 11. Aqueous Solution Density Database 12. Pitzer parameter database
