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Looking to model rich chemical systems, perform single or batch process calculations (speciation, mineral solubility, sorption, model experiments, etc.), and even conduct simple reactive transport simulations? Check out the GEM-Selektor Interactive Package for Thermodynamic Modeling with a Graphical User Interface (GUI).
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Want to perform geochemical calculations from Python in a Jupyter notebook or couple a geochemical solver to transport, parameter optimization, or other application code? Check out the GEM-Standalone code and libraries with C++ and Python interfaces. To use GEM-Standalone, the chemical system needs to be first defined in GEM-Selektor and exported to standalone text files.
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Looking to extract thermodynamic properties from experiments and fit GEMS model input parameters? Check out the GEMSFITS multi-parameter and multi-property optimization package with a Graphical User Interface (GUI). To use GEMSFITS, the chemical system needs to be first defined in GEM-Selektor and exported to standalone text files.
