fluoritepredominance.ppi
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# predominance diagram for the Ca-F system
SPECIATION
calculationType ht1 # or grid
mainSpecies Ca
xmin 1e-8 # min and max for the x- and y-axes - must start with some main species
xmax 2 # xmin can't be zero so set to a small value
ymin 0
ymax 2
resolution 100
PLOT
plotTitle "Predominance diagram for Ca<br>(in a Ca-F-H<sub>2</sub>O system)"
xtitle "Ca /mmol/kgw"
ytitle "F /mmol/kgw"
CHEMISTRY
include 'ht1.inc' # file contains the logic for tracking solubility
SOLUTION 1
-units mmol/kgw
Ca <x_axis> # filled by PHREEPLOT
F <y_axis>
EQUILIBRIUM_PHASES 1
Fluorite 0 0
END
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