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34 lines
1.2 KiB
Plaintext
34 lines
1.2 KiB
Plaintext
TITLE Example 5.--Add oxygen, equilibrate with pyrite, calcite, and goethite.
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SOLUTION 1 PURE WATER
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pH 7.0
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temp 25.0
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EQUILIBRIUM_PHASES 1
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Pyrite 0.0
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Goethite 0.0
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Calcite 0.0
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CO2(g) -3.5
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Gypsum 0.0 0.0
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REACTION 1
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O2 1.0
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NaCl 0.5
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0.0 0.001 0.005 0.01 0.03 0.05
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SELECTED_OUTPUT
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-file ex5.sel
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-total Cl
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-si Gypsum
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-equilibrium_phases pyrite goethite calcite CO2(g) gypsum
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USER_GRAPH Example 5
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-headings Pyrite Goethite Calcite CO2(g) Gypsum SI_Gypsum
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-chart_title "Pyrite Oxidation"
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-axis_titles "O2 added, in millimoles" "Millimoles dissolved" \
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"Saturation index"
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10 x = RXN * 1e3
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20 PLOT_XY x, 1e3 * (10 - EQUI("Pyrite")), symbol = Plus
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30 PLOT_XY x, 1e3 * (10 - EQUI("Goethite")), symbol = Plus
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40 PLOT_XY x, 1e3 * (10 - EQUI("Calcite")), symbol = Plus
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50 PLOT_XY x, 1e3 * (10 - EQUI("CO2(g)")), symbol = Plus
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60 PLOT_XY x, 1e3 * (-EQUI("Gypsum")), symbol = Plus, color = Magenta
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70 PLOT_XY x, SI("Gypsum"), y-axis = 2, line_width = 2, symbol = Circle, \
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symbol_size = 8, color = Magenta
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END
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