Alfisol, Item 007:

IExFit, version 3.4 Fit adsorption data based on ion exchange reaction models. Display solid & liquid & gas phase speciation diagrams as a funciton of pH & redox conditions.

Why models? Main Welcome Program Information Select File Control Center (CC) CC: Database

CC-1: Enter Ions Present CC-2: Enter Initial Conditions CC: Add Solids CC: Add Gases CC: Add Ion Adsorption Data CC: Add Ion-Exchange Model CC-3: Run Aqueous Speciation CC-3: Run Model Fit Optimization

Tab: Model Optimization Tab: Options Tab: f(pH) Mass Balance Tab: Adsorption Data Analysis Tab: f(pH) Adsorbed Tab: f(pH) Aqueous Tab: f(pH) Solids Tab: f(pH) Gases Tab: pe-pH Tab: Titration

The Main Welcome Window

This is the main window for IExFit (Extended Edition). The START button starts the speciation or modeling exercise. It will first ask you if you are starting a new exercise or if you wish to open a previously saved exercise. The TUTORIAL button opens a menu driven set of instructions. The PROGRAM INFORMATION button shows basic information about the software. Other options are also available through this link. The EXIT button ends the program.