FeAsCS.ppi
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SPECIATION
calculationType ht1
calculationMethod 1
mainSpecies Fe As C S # produce predominance diagrams for these four elements
xmin 2.0
xmax 10.0
ymin -85.0
ymax 0.0
resolution 200
PLOT
plotTitle "Fe-As-C-S<br>(minerals but no sorbed As)"
xtitle pH
ytitle pe
pymin -10.0
yscale pe # this changes to the pe scale
extraText "extratextFeAsCS.dat"
multipagefile t # put all the plots into a single file - only applies to ps and pdf
CHEMISTRY
INCLUDE 'ht1.inc'
SOLUTION 1
temp 25
pH 1.8
units mol/kgw
S(6) 5e-3
Fe 5e-3
As 1e-2
Na 1e-1
Cl 1e-1 charge
END
USE solution 1
EQUILIBRIUM_PHASES 1
Fix_H+ -<x_axis> NaOH 10
-force_equality true
O2(g) <y_axis> 0.1
CO2(g) -3.5 10
Realgar 0 0
Orpiment 0 0
As2S3(am) 0 0
Halite 0 0
Arsenolite 0 0
Claudetite 0 0
Pyrite 0 0
Mackinawite 0 0
FeS(ppt) 0 0
Sulfur 0 0
Fe(OH)2.7Cl.3 0 0
# Goethite 0 0
Fe(OH)3(a) 0 0
# Hematite 0 0
Greigite 0 0
Magnetite 0 0
Nahcolite 0 0
Siderite 0 0
Maghemite 0 0
Siderite(d)(3) 0 0
Scorodite 0 0
Natron 0 0
Thermonatrite 0 0
Fe3(OH)8 0 0
Thenardite 0 0
Melanterite 0 0
Mirabilite 0 0
As2O5(cr) 0 0
Trona 0 0
Jarosite-Na 0 0
JarositeH 0 0
END
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