The Geochemist's Workbench- overview

$999 ($899 academic)

The "essential" set of aqueous geochemistry tools that every geochemist should own:

• store water data, convert units, sort, evaluate replicates and standards, and flag exceedances in the GSS spreadsheet^new!
• balance chemical reactions
• create redox-pH and activity diagrams
• calculate solution speciation, mineral saturation, gas fugacities and more
• model ion sorption and surface complexation
• plot Piper, Stiff, series, time series, cross plot, ternary and numerous other aqueous geochemistry diagrams

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$3499 ($1749 academic)

The original! Contains all the tools of GWB Essentials, and adds powerful reaction path modeling capabilities:

• polythermal and sliding fugacity reactions
• consider mineral dissolution/precipitation kinetics and redox kinetics
• specify custom rate laws
• model microbial metabolism and growth
• Debye-Huckel or Pitzer activity coefficients
• flow-through and flush configurations
• flash (scaling) diagrams

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$7999 ($6999 academic)

Contains all the tools of GWB Standard, and adds 1D and 2D reactive transport modeling:

• multi-threading / parallel processing for multi-core computers^new!
• dual porosity model^new!
• transport by advection, diffusion and dispersion
• fixed and evolving flow rates and patterns
• saturated and unsaturated flow
• permeability constant or varying
• import flow fields as table, or from Modflow models
• heat flow by advection and conduction
• model polythermal flow and reactions
• set internal domain heat sources
• regular or variably spaced (telescoping) grids
• flexible boundary conditions on all sides of the domain
• heterogeneous domains and initial conditions
• easy to use "in-line" tables for specifying node-by-node heterogeneity
• define domain heterogeneity using tables, equations, scripts or compiled functions
• simulate injection and production wells
• set two reaction intervals

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