PHREEQC (Version 2)--A Computer Program for Speciation, Batch-Reaction, One-Dimensional Transport, and Inverse Geochemical Calculations
Information:
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PHREEQC Abstract
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IPhreeqc Modules (COM/DLL/Library) Abstract
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PhreeqcI Fact Sheet FS-031-02 (PDF)
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Complete On-Line User's Guide
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Notes for training course: Geochemistry for Groundwater Systems 2011 (Geochem2011.tgz, PowerPoint and examples, 180M)
Current Versions:
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PHREEQC Release notes
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Installation For Win32 Batch Version
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Installation For Linux Batch Version
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Installation For MacOS(Intel) 10.4-10.6
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Module Release notes
Other Resources:
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FAQ--Frequently Asked Questions about PHREEQC and PhreeqcI
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Mail Archive--Questions and answers about PHREEQC, PhreeqcI, and Netpath
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Reports using PHREEQC and PHAST
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Appelo's home page: Information, examples, and training courses
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Mike Mueller's PHREEQPY home page: Using PHREEQC in Python
Features:
Version 2.12
Pitzer activity coefficient model (PHREEQC and PHAST). Just use pitzer.dat database.
Version 2.13:
CD-MUSIC surface complexation (PHREEQC and PHAST).
1D transport with multicomponent diffusion (PHREEQC only).
Version 2.17: SIT (Specific Interaction Theory) aqueous model;
additional term for log K and parameter temperature expressions;
active-fraction exchange model; precipitate only option for
EQUILIBRIUM_PHASES. PhreeqcI updated for all PITZER, SIT, and
TRANSPORT capabilities; bug fixes.
Version 2.18: IPhreeqc modules: Windows COM for use with Excel, Matlab,
Python; and Library/DLL for Fortran, C, C++ on Windows or Linux.
Download:
The Free Software Foundation's gunzip
is necessary to uncompress the UNIX tar files available
below. However, some World Wide Web browsers automatically uncompress
retrieved files. Thus, running gunzip as stated in the installation
instructions may be unnecessary.
| Graphical User Interfaces |
| Platform |
Processor |
File names |
Size |
Notes |
| Windows |
32-bit |
phreeqci-2.18.3-5570.msi |
13M |
Executable, source, database files, examples, PDF documentation |
| PHREEQC for Windows |
-- |
PHREEQC for Windows Home Page |
| Batch Versions |
| Platform |
Processor |
File names |
Size |
Notes |
| Linux |
32-bit |
phreeqc-2.18.3-5570.Linux.tar.gz |
3.2M |
Executable, source, database files, examples, PDF documentation |
| Source |
phreeqc-2.18.3-5570.source.tar.gz |
2.7M |
Source, database files, examples, PDF documentation |
| MacOS(Intel) |
64-bit |
phreeqc-2.18.0-5314.dmg |
2.5M |
Executable (Intel), database files, examples, and PDF documentation |
| Windows |
32-bit |
phreeqc-2.18.3-5570.msi |
3.3M |
Executable, source, database files, examples, PDF documentation |
| Modules |
| Platform |
Processor |
File names |
Size |
Notes |
| Any |
Any |
iphreeqc-2.18.3-5570.tar.gz |
1.2M |
Source with configure and VS2005 project file |
| Windows |
32-bit |
IPhreeqc-2.18.3-5570-vs2005-win32.7z |
6.1M |
Static and Dynamic (DLL) Libraries (VS2005) |
| IPhreeqc-2.18.3-5570-vs2005-win32.zip |
14M |
Static and Dynamic (DLL) Libraries (VS2005) |
| 64-bit |
IPhreeqc-2.18.3-5570-vs2005-x64.7z |
7.6M |
Static and Dynamic (DLL) Libraries (VS2005) |
| IPhreeqc-2.18.3-5570-vs2005-x64.zip |
17M |
Static and Dynamic (DLL) Libraries (VS2005) |
| Windows COM |
32-bit |
IPhreeqcCOM-2.18.3-5570-win32.msi |
3.7M |
COM Server, CHM documentation |
| 64-bit* |
IPhreeqcCOM-2.18.3-5570-x64.msi |
3.5M |
COM Server, CHM documentation |
* -- Both 32-bit and 64-bit COM versions should be installed on 64-bit versions of Windows
Documentation
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PHREEQC PDF Documentation (1.1M)
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PhreeqcI Fact Sheet (PDF) (0.1M)
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IPhreeqc Modules Documentation (PDF) (0.3M)
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IPhreeqc Documentation (CHM) (0.2M) (HTML)
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IPhreeqcCOM Documentation (CHM) (0.2M)
Status:
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Status of PHREEQC Programs
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Add Me to the PHREEQC Mailing List (Include the word "subscribe" in body of letter)
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Your Comments/Bug Reports

Project Home Page
Complete Water Resources Division Software
USGS Home Page
Water Resources Division Home Page
NRP Home Page
Help Page

Please note that some U.S. Geological Survey (USGS)
information accessed through this page may be preliminary in nature and
presented prior to final review and approval by the Director of the USGS. This
information is provided with the understanding that it is not guaranteed to be
correct or complete and conclusions drawn from such information are the sole
responsibility of the user.
Any use of trade, product, or firm names in this
publication is for descriptive purposes only and does not imply endorsement by
the U.S. Government.

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