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Act2 generates stability diagrams on activity, Eh, pe, pH, and fugacity axes.

Select main species to diagram. Diagram axes. Act2 generates stability diagrams on activity, Eh, pe, pH, and fugacity axes. Eh-pH diagram. Move to the Plot pane. You can copy the diagram and paste it into your documents. Activity diagram. Fugacity diagram.

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Act2 generates stability diagrams on activity, Eh, pe, pH, and fugacity axes.

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  1. Select main species to diagram. Diagram axes Act2 generates stability diagrams on activity, Eh, pe, pH, and fugacity axes.

  2. Eh-pH diagram Move to the Plot pane. You can copy the diagram and paste it into your documents.

  3. Activity diagram

  4. Fugacity diagram

  5. Select Al+++ as the main species to diagram and as the y-axis variable. Choose pH for the x-axis. Set temperature. A Solubility diagram uses the activity of the main species as an axis variable.

  6. Solubility diagram

  7. Mosaic diagrams account for the speciation of complexing ligands with pH and redox state. Click on SO42− unit pulldown and select speciate over x-y

  8. Mosaic diagram Mosaic diagram for arsenic-sulfur system. Dashed lines show mosaic boundaries for sulfur speciation.

  9. H2S(g)/CH4(g) fugacity ratio is selected. Choose an appropriate range of values. Tact makes temperature-activity and temperature-fugacity diagrams.

  10. Equilibrium point of the methane souring reaction, calculated as a function of temperature. CH4(g) + Anhydrite ↔ Calcite + H2O + H2S(g) Temperature-fugacity ratio diagram

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