UNDERSTANDING VARIATION IN PARTITION COEFFICIENT, Kd ...

C.3.0 Data Set for Soils
Table C.4 lists the available K d values for cadmium identified for experiments conducted with only
soils. The K d values are listed with ancillary parameters that included clay content, pH, CEC,
TOC, solution cadmium concentrations, and iron-oxide concentrations
Cd K d
(ml/g)
Clay
Cont.
(wt%)
pH CEC
(meq/
100 g)
Table C.4. Cadmium K d data set for soils.
TOC
(wt%)
[Cd]
(mg/l)
Fe
Oxides
(wt.%)
52.5 54.7 4.8 30.2 1.54 1 0.33 0.005 M
CaNO 3
288.4 8.3 5.7 2 0.61 1 0.1 0.005 M
CaNO 3
13.9 51.2 5.4 2.4 0.26 1 0.08 0.005 M
CaNO 3
186.6 0.9 5.9 22.54 6.62 1 1.68 0.005 M
CaNO 3
52.7 17.6 3.9 26.9 11.6 1 1.19 0.005 M
CaNO 3
91.2 28.2 6 11 1.67 1 0.19 0.005 M
CaNO 3
28.8 2.8 6.9 4.1 0.21 1 0.06 0.005 M
CaNO 3
97.9 6.2 6.6 8.6 0.83 1 0.3 0.005 M
CaNO 3
5.5 3.8 4.3 2.7 1.98 1 0 0.005 M
CaNO 3
755.1 23.9 7.6 48.1 4.39 1 0.19 0.005 M
CaNO 3
C.6
Solution Soil
Identification
Comments Ref. a
Alligator Ap Converted
Freund. to K d
Using 1ppm
Cecil Ap Converted
Freund. to K d
Using 1ppm
Cecil B Converted
Freund. to K d
Using 1ppm
Kula Ap1 Converted
Freund. to K d
Using 1ppm
Lafitte Ap Converted
Freund. to K d
Using 1ppm
Molokai Ap Converted
Freund. to K d
Using 1ppm
Norwood Ap Converted
Freund. to K d
Using 1ppm
Olivier Ap Converted
Freund. to K d
Using 1ppm
Spodisol Converted
Freund. to K d
Using 1ppm
Webster Ap Converted
Freund. to K d
Using 1ppm
1
1
1
1
1
1
1
1
1
1