Concentrations and activities

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Presentation transcript:

Concentrations and activities

Enter your fluid composition on the Basis pane Set dissolved concentrations in units of your choice Set temperature of your system Click to add new entries

You can swap gases of known fugacity into the Basis O2(g) swapped for O2(aq) Swap CO2(g) for H+

On the Results pane, click Run to execute the calculation. Open text file Plot results with Gtplot

“View Results” opens text file Species listed in order of molal concentration Activity coefficients Species activities

“Plot Results” opens Gtplot Set “Variable type”, then choose from the list of variables Set X and Y axes