CdS.ppi

SPECIATION
  jobTitle                             "Cd in the presence of sulphur"
  calculationType                      ht1
  calculationMethod                    1
  mainSpecies                          Cd
  xmin                                 2.0                 # logH range
  xmax                                 10.0
  ymin                                 -80.0               # O2(g) range
  ymax                                 0.0
  resolution                           100
  simplify                             10                  # straightens out the low-angled boundary

PLOT
  plotTitle                            "Cd-S-C-H<sub>2</sub>O at 20<sup>o</sup>C"
  xtitle                               pH
  ytitle                               "log <i>f </i>O<sub>2</sub>(g)"
  extraText                            "extratextCdS.dat"

CHEMISTRY

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

SOLUTION 1
   Temp      20
   pH        1.8
   units     mol/kgw
   Cd        1e-1                                          # total Cd
   S(6)      1e-1
   Na        1e-1                                          # background electrolyte
   Cl        1e-1
END

USE solution 1
EQUILIBRIUM_PHASES 1
   Fix_H+     -<x_axis> NaOH
     -force_equality true
   O2(g)      <y_axis>   0.1
   CO2(g)     -3.5       1.0

   Greenockite                    0 0
   CdCl2:2.5H2O                   0 0
   CdCl2:H2O                      0 0
   CdCl2                          0 0
   Sulfur                         0 0
   CdOHCl                         0 0
   Cd(OH)2                        0 0
   Monteponite                    0 0
   Cd(OH)2(a)                     0 0
   CdMetal                        0 0
   Cd(gamma)                      0 0
   Otavite                        0 0
   Nahcolite                      0 0
   Natron                         0 0
   Thermonatrite                  0 0
   CdSO4:2.7H2O                   0 0
   CdSO4:H2O                      0 0
   Thenardite                     0 0
   Mirabilite                     0 0
   CdSO4                          0 0
   Trona                          0 0
   Cd3(OH)4SO4                    0 0
   Cd4(OH)6SO4                    0 0
   Cd3(OH)2(SO4)2                 0 0