DATABASE C:\Program Files\USGS\Phreeqc Interactive 2.7\phreeqc.dat
# R.9. Extra credit exercise
SOLUTION 1 Pure Water
EQUILIBRIUM_PHASES 1
	Calcite
	Dolomite
	CO2(g)	-2.0
SAVE solution 1
END
SOLUTION 2
    temp      25
    pH        8.22
    pe        8.45
    redox     pe
    units     ppm
    density   1
    Ca        412.3
    Mg        1291.8
    Na        10768
    K         399.1
    Alkalinity 141.682 as HCO3
    Cl        19353
    S(6)      2712
    -water    1 # kg
END
USE solution 2
EQUILIBRIUM_PHASES 2
	Calcite	0
	Dolomite	0
END
EQUILIBRIUM_PHASES 2
	Calcite	0
	Dolomite	0	10	dis
MIX 
	1 .75
	2 .25
USE equilibrium_phases 2
END
MIX 
	1 .5
	2 .5
USE equilibrium_phases 2
END
MIX 
	1 .25
	2 .75
USE equilibrium_phases 2
END