If not stated otherwise the links offer their information in English
Geochemical Modeling - Chemical Speciation
A) LMA (Law of Mass Action) Based Codes
EQ3/6 - licencing procedure from LLNL
- US$ 500 for non-US academic institutions.
Additionally, you can inform yourself about some useful
tools for performing pH-, Eh-, or concentration scans with EQ3/6
and download them. There is also a collection of
tips and remarks available.
PHREEQC home page at U.S.G.S., which gives also details of various code
development lines, GUIs, and couplings to other software.
The most recent version is 2.15.
There is a form-based user-interface,
WEB-PHREEQ for remote calculations
(Department of Geosciences, North Dakota State University).
Vincent Post maintains
PHREEQC for Windows, a 32 bit Windows version of the geochemical model PHREEQC-2.
There is also a separate graphical interface to PHREEQC,
PHREEQCI from U.S.G.S.
MINTEQA2 from the U.S. EPA, current version is 4.03 of May 2006.
New:
Visual Minteq from KTH Stockholm, current version is 2.53 of October 2007.
and
MINTEQA2 for Windows from Allison Geoscience Consultants, Inc.
CHESS allows to simulate the equilibrium state of complex solutions including minerals, colloids, organics and gases.
It comes with Java-based GUI (JCHESS) and graphing tool (JPLOT).
Maintained by Jan van der Lee. Cost: 2900 Euro (Console Mode Version of CHESS is available for free for Linux users).
ECOSAT by Meindert Keizer (NL), version 4.8 includes extensive sorption module and 1-dimensional transport. Cost: 250 Euro ex sales taxes.
Geochemist's Workbench® from the University of Illinois
at Urbana-Champaign. Cost: 800 USD for the essential package and 3500 USD for the standard package (including reaction paths).
HSC Chemistry® from Outotec Research Oy / Finland. Cost: 1190 Euro.
JESS by Peter M May (Murdoch University, Australia) and
Kevin Murray (Insight Modelling Services,
Garsfontein East, South Africa)
MINEQL+ Win95-GUI interface to MINEQL-successor from W.Schecher
(ERS - Environmental Research Software, Hallowell, ME). Cost: 650 USD.
There is also an older DOS version available for free.
FACT Facility for the Analysis of Chemical Thermodynamics,
by the Centre for Research in Computational Thermochemistry (CRCT)
at the University Montréal,
closely cooperating with GTT
CHEMTARD - short description from NEA software data base
CRUNCHFLOW- the successor of OS3D / GIMRT, by Carl Steefel
HBGC123D HydroBioGeoChem 123D from Oak Ridge,
including a Java-based GUI
HYTEC a reactive transport model coupled with
the geochemical code CHESS.
Maintained by Jan van der Lee (École Nationale Supérieure des Mines de Paris).
Orchestra from the Energy Research Centre of the Netherlands (ECN)
Chemistry WebBook - NIST Standard Reference Database Number 69, July 2001 Release
(thermochemical, thermophysical, and ion energetics data compiled by
NIST under the Standard Reference Data Program)