Paq.ppi
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SPECIATION
jobTitle "Fe-Al-Ca-P"
calculationType ht1
calculationMethod 1
mainSpecies "P"
xmin 2.0
xmax 10.0
ymin -80.0
ymax 0.0
resolution 500
PLOT
plotTitle "P-Fe-Al-Ca<br>(only aqueous species)"
xtitle pH
ytitle "log <i>f </i>O<sub>2</sub>(g)"
extraText "extratextP.dat"
CHEMISTRY
include 'ht1.inc'
# first simulation - initial solution calculation
SOLUTION 1
Temp 20
pH 1.8
units mol/kgw
density 1
P 1e-3
Ca 1e-1
Fe 1e-1
Al 1e-1
Na 1e-1
Cl 1e-1 charge
END
# second simulation - reaction and equilibration
USE solution 1
EQUILIBRIUM_PHASES 1
Fix_H+ -<x_axis> NaOH
-force_equality true
O2(g) <y_axis>
CO2(g) -3.5 # no minerals - aqueous species only
END
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