1eCh1.ppi
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SPECIATION
calculationType custom
xmin 4
xmax 10
resolution 41
database minteq.v4.dat
numericTags <x> = <pxmin>+0.1*(<pxmax>-<pxmin>) \
<y> = <pymax>-0.15*(<pymax>-<pymin>) \
<totFe> = 1e-3 \
<totel> = 5e-7 \
<mass> = <totFe>*89 \
<pH0> = 4 \
<O2> = -0.7 \
<mu> = 0.1 \
<logh> = -<x_axis> \
<Hfo_w> = <totFe>*0.2 \
<Hfo_s> = <totFe>*0.005
characterTags <cation> = "Na" \
<anion> = "N(5)" \
<salt> = "NaNO<sub>3</sub>" \
<base> = "NaOH" \
<el> = "Cr" \
<solutionspecies> = ""
PLOT
plotTitle "Cr(VI): 1ECH1"
xAxisLength 140
customXcolumn pH
xtitle "pH"
ytitle "% sorbed"
lines %sorbed
resolution 41
labelSize 0
legendTextSize 0
extratext ..\extratextel.dat
CHEMISTRY
SOLUTION_SPECIES
CrO4-2 + 2H+ = H2CrO4
log_k 6.31 # 6.31 = 6.51 + (-0.20) as in D&M Table 10.9. Original 6.4188 as in # $Id: minteq.v4.dat 794 2006-02-27 21:06:22Z dlpark $
delta_h 39 kJ
-gamma 0 0
# Id: 2123301
# log K source: NIST46.4
# Delta H source: NIST46.4
#T and ionic strength: 0.00 20.0
SURFACE_SPECIES
# from Table 10.10 but does not fit data with logK1=10.82 or 10.85
Hfo_sOH + CrO4-2 = Hfo_sOHCrO4-2
log_k -99 #3.9
delta_h 0 kJ
# Id: 8112121
# log K source:
# Delta H source:
#T and ionic strength:
Hfo_wOH + CrO4-2 = Hfo_wOHCrO4-2
log_k -99 #3.9
delta_h 0 kJ
# Id: 8122121
# log K source:
# Delta H source:
#T and ionic strength:
include '..\pcsorption.inc'
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