CaF2.ppi

SPECIATION
  jobTitle                             "Calcium in the presence of fluoride, phosphate and bicarbonate"
  calculationType                      ht1
  calculationMethod                    1
  mainSpecies                          Ca
  xmin                                 4.0
  xmax                                 9.0
  ymin                                 -4.0
  ymax                                 -2.0
  resolution                           200
PLOT
  plotTitle                            "Ca-F-P-CO<sub>2</sub>-H<sub>2</sub>O"
  xtitle                               pH
  ytitle                               "log <i>f</i> CO<sub>2</sub>(g)"
  extraText                            "extratextCaF.dat"

CHEMISTRY

include 'ht1.inc'                                          # standard 'hunt and track' file

SOLUTION 1
   temp  25
   pH    1.8
   units mol/kgw
   Ca    1e-2
   F     1e-2
   P     3e-3
   Na    1e-1
   Cl    1e-1 charge
END

USE solution 1
EQUILIBRIUM_PHASES 1
   Fix_H+ -<x_axis>  NaOH 1
     -force_equality true
   CO2(g)  <y_axis>  1
     -force_equality true

   Calcite      0 0
   Fluorite     0 0
   Fluorapatite 0 0
   Calcite      0 0
   Aragonite    0 0
END