UNDERSTANDING VARIATION IN PARTITION COEFFICIENT, Kd ...

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pH U <strong>Kd</strong> (ml/g) Clay Cont. (wt.%) CEC (meq/100g) Surface Area (m 2 /g) Solution Soil Identification Reference / Comments 6.09 9,400 Reducing Conditions PCE Deep Core, 25-32 cm 6.09 12,500 Reducing Conditions PCE Deep Core, 33-40 cm 5.94 3,000 Reducing Conditions SCE Surface Core, 0-5 cm 6.82 8,800 Reducing Conditions SCE Surface Core, 6-20 cm 7.28 2,600 Reducing Conditions SCE Surface Core, 21-25 cm 7.28 1,700 Reducing Conditions SCE Surface Core, 26-30 cm 7.28 700 Reducing Conditions SCE Surface Core, 31-40 cm 1,300 Reducing Conditions PCE Surface Core, 0-40 cm 2,100 Reducing Conditions PCE Deep Core, 40-80 cm 2,000 Reducing Conditions SCE Surface Core, 1-10 cm 2,900 Reducing Conditions SCE Surface Core, 10-30 cm 870 Reducing Conditions SCE Surface Core, 30-40 cm 5.7 46 2.3 Site Borehole Groundwater Clay (Glacial Till, Less Than 5 mm) 5.7 46 3.0 Site Borehole Groundwater C1:2 (Brown, Slightly Silty, Less Than 5 mm) 5.7 900 2.7 Site Borehole Groundwater C3 (Dark Brown Coarse Granular Deposit, Less Than 5 mm) 5.7 2,200 2.9 Site Borehole Groundwater C6 (Brown Coarse Granular Deposit, Less Than 5 mm) 5.7 560 0.8 Site Borehole Groundwater Sand (Light Brown Coarse Granular Deposit, Less Than 5 mm) J.46 Sheppard and Thibault (1988, In Situ) Sheppard and Thibault (1988, In Situ) Sheppard and Thibault (1988, In Situ) Sheppard and Thibault (1988, In Situ) Sheppard and Thibault (1988, In Situ) Sheppard and Thibault (1988, In Situ) Sheppard and Thibault (1988, In Situ) Sheppard and Thibault (1988, Batch) Sheppard and Thibault (1988, Batch) Sheppard and Thibault (1988, Batch) Sheppard and Thibault (1988, Batch) Sheppard and Thibault (1988, Batch) Bell and Bates (1988) Bell and Bates (1988) Bell and Bates (1988) Bell and Bates (1988) Bell and Bates (1988) 4.16 85.0 0.5 1.11 A12 Serkiz and Johnson (1994) 4.99 170.0 3.3 1.82 A13 Serkiz and Johnson (1994) 3.42 5.3 3 3.74 A13R Serkiz and Johnson (1994) 3.19 2.1 1.5 1.39 A22 Serkiz and Johnson (1994)
pH U <strong>Kd</strong> (ml/g) Clay Cont. (wt.%) CEC (meq/100g) Surface Area (m 2 /g) Solution Soil Identification Reference / Comments 3.01 1.7 4.5 1.4 A23 Serkiz and Johnson (1994) 3.19 3.7 4.4 7.92 A31 Serkiz and Johnson (1994) 3.5 1.4 3.1 1 A32 Serkiz and Johnson (1994) 3.29 1.2 4.7 2.1 A42 Serkiz and Johnson (1994) 5.42 2,200.0 2.5 0.68 A52 Serkiz and Johnson (1994) 3.72 2.3 2 0.42 A53 Serkiz and Johnson (1994) 3.24 2.7 2.8 4.71 B13 Serkiz and Johnson (1994) 3.93 8.5 3.9 3.06 B14 Serkiz and Johnson (1994) 3.86 10.1 4.9 B23 Serkiz and Johnson (1994) 4.02 5.2 2.5 3.8 B23R Serkiz and Johnson (1994) 3.83 14.0 7.5 5.69 B24 Serkiz and Johnson (1994) 4.62 390.0 6.2 2.5 B32 Serkiz and Johnson (1994) 4.64 180.0 5.5 8.42 B33 Serkiz and Johnson (1994) 4.67 190.0 12.6 21.4 B42 Serkiz and Johnson (1994) 3.66 6.4 1.2 3.02 B43 Serkiz and Johnson (1994) 4.09 39.0 8.2 15.1 B51 Serkiz and Johnson (1994) 3.61 5.3 B52 Serkiz and Johnson (1994) 4.69 530.0 3.3 2.39 B52R Serkiz and Johnson (1994) 3.68 6.4 C13 Serkiz and Johnson (1994) 3.75 23.0 6.4 C14 Serkiz and Johnson (1994) 3.96 30.0 1.28 C22 Serkiz and Johnson (1994) 4.17 980.0 6.4 6.12 C23 Serkiz and Johnson (1994) 5.53 3,600.0 5.5 2.54 C32 Serkiz and Johnson (1994) 4.64 6,300.0 6.1 8.54 C33 Serkiz and Johnson (1994) 5.27 14,000.0 7.9 11.4 C42 Serkiz and Johnson (1994) 4.51 13,000.0 3 5.04 C43 Serkiz and Johnson (1994) 6.78 11,000.0 5.3 1.96 D13 Serkiz and Johnson (1994) 4.14 13.0 D13RA Serkiz and Johnson (1994) 9.3 2 2.55 D13RB Serkiz and Johnson (1994) 4 320.0 10.5 11.4 E13 Serkiz and Johnson (1994) 4.04 310.0 4.5 8.5 E14 Serkiz and Johnson (1994) 5.85 2,700.0 6.4 15.5 E23 Serkiz and Johnson (1994) 4.32 980.0 3.9 13.3 E23R Serkiz and Johnson (1994) 3.87 290.0 7.3 13.8 E24 Serkiz and Johnson (1994) 4.27 1,500.0 6.5 11.5 E33 Serkiz and Johnson (1994) 4.05 380.0 3.7 10.5 E34 Serkiz and Johnson (1994) J.47
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United States Office of Air and Rad
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NOTICE The following two-volume rep
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This publication is the result of a
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TO COMMENT ON THIS GUIDE OR PROVIDE
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CONTENTS NOTICE ...................
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Concentrations Extractable Iron Con
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Appendix A - Acronyms and Abbreviat
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Figure E.1. Variation of K d for Cr
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Table 5.16. Uranium(VI) aqueous spe
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Table H.3. Simple and multiple regr
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1.0 Introduction The objective of t
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discussed. The geochemical modeling
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2.0 The K d Model The simplest and
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track many more parameters and some
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of interest. The retardation factor
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(e.g., soil). An increasing body of
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complexation constants for the cont
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the soil column. Additionally, the
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Element Table 5.2. Concentrations o
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5.2.3 Aqueous Speciation Cadmium fo
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5.2.4 Dissolution/Precipitation/Cop
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cadmium, indicating that cadmium an
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5.2.6.2.2 Limits of K d Values with
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organic chelates (e.g., EDTA). Init
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(tarapacaite) in chromium sludge fr
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K d). Soils containing Mn oxides ox
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Table 5.7. Estimated range of Kd va
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most common valence state of lead e
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Table 5.8. Lead aqueous species inc
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Under reducing conditions, galena (
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C Adsorption of lead increases with
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(Choppin, 1983). Plutonium hydrolyt
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Table 5.10. Plutonium aqueous speci
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5.6.5 Sorption/Desorption Plutonium
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content in the system. Additionally
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much greater concentrations. Thus,
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exchanged which they attributed to
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up tables was based in part on thei
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organic complexes likely predominat
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Thorium undergoes hydrolysis in aqu
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The distribution of thorium aqueous
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from about 10 -8.5 mol/l (0.0007 mg
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Based on the assumptions and limita
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5.10 Tritium Geochemistry And K d V
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uranium. Uranium(VI) species domina
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gives 0.1 to 10 µg/l as the range
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mineral in reducing ore zones (Fron
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Percent Distribution 100 80 60 40 2
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5.11.6 Partition Coefficient, K d ,
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No attempt was made to statisticall
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Table 5.18. Selected chemical and t
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Another objective of this report is
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6.0 REFERENCES Adriano, D. C. 1992.
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Bensen, D. W. 1960. Review of Soil
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Metals by Geomedia. Variables, Mech
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EPA (U.S. Environmental Protection
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Griffin, R. A., A. K. Au, and R. R.
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+ Keeney-Kennicutt, W. L., and J. W
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Mattigod, S. V., A. L. Page, and I.
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Oscarson, D. W., and H. B. Hume. 19
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Relyea, J. F. and D. A. Brown. 1978
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Schultz, R. K., R. Overstreet, and
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Szalay, A. 1964. “Cation Exchange
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Yariv, S., and H. Cross. 1979. Geoc
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APPENDIX A Acronyms, Abbreviations,
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PC Personal computers operating und
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A.3.0 List of Symbols and Notation
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APPENDIX B Definitions
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Clay Content - particle size fracti
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Polynuclear Species - an aqueous sp
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C.1.0 Background Appendix C Partiti
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Cadmium K d Table C.2. Correlation
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C.3.0 Data Set for Soils Table C.4
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Cd K d (ml/g) Clay Cont. (wt%) pH C
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D.1.0 Background Appendix D Partiti
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A second data set (see Section D.4)
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Table D.3. Correlation coefficients
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By transposing the CEC and cesium K
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Table D.6. Cesium K d values measur
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eported in Table D.8 are described
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a 1 b 1 Range of Solution Cs Concen
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Figure D.4. Generalized cesium Freu
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Table D.10. Estimated range of K d
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D.3.0 K d Data Set for Soils and Pu
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Cesium Kd (ml/g) Clay (wt.% ) Mica
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Cesium K d (ml/g) Clay (wt%) Mica (
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Bruggenwert, M. G. M., and A. Kamph
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Shiao, S. Y., P. Rafferty, R. E. Me
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E.1.0 Background Appendix E Partiti
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chromium-reductive soils may stem f
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E.2.0 Approach The approach used to
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Table E.3. Estimated range of K d v
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Table E.4. Data from Rai et al. (19
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E.4.0 References Davis, J. A. and J
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APPENDIX F Partition Coefficients F
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(CEC) of the soils. Such an anomaly
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Table F.1. Summary of K d values fo
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Figure F.2. Variation of K d as a f
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F.4.0 References Abd-Elfattah, A.,
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APPENDIX G Partition Coefficients F
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A number of investigators have exam
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pH value, which is typical of the m
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These significant reductions in ads
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This is typically accomplished by t
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The scatterplots are typically disp
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Table G.2. Regression models for pl
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G.4.0 References Barney, G. S. 1984
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Nelson, D. M., R. P. Larson, and W.
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APPENDIX H Partition Coefficients F
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1.6 ml/g for a measurement made on
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Figure H.1. Relation between stront
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Figure H.2. Relation between stront
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H.2.4 Approach Figure H.4. Relation
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A second look-up table (Table H.5)
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Sr K d (ml/g) Clay Content (%) pH C
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Sr K d (ml/g) Clay Content (%) pH C
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Sr K d (ml/g) Clay Conten t (%) pH
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Konishi, M., K. Yamamoto, T. Yanagi
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APPENDIX I Partition Coefficients F
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descriptive statistics of the thori
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Figure I.1. Linear regression betwe
Page 272 and 273: The look-up table (Table I.5) for t
Page 274 and 275: Thorium K d (ml/g) pH Clay (wt.%) C
Page 276 and 277: Rai, D., A. R. Felmy, D. A. Moore,
Page 278 and 279: J.1.0 Background Appendix J Partiti
Page 280 and 281: J.2.2 Uranium K d Studies on Soils
Page 282 and 283: Washington. The studies included an
Page 284 and 285: and then decreases with increasing
Page 286 and 287: Kd (ml/g) 100,000 10,000 1,000 100
Page 288 and 289: papers. Warnecke et al. (1984) indi
Page 290 and 291: Anderson et al. (1982) summarize an
Page 292 and 293: McKinley and Scholtis (1993) compar
Page 294 and 295: In a similar comparison of sorption
Page 296 and 297: J.3.1 K d Values as a Function ff p
Page 298 and 299: discussed, and one would have to ma
Page 300 and 301: al., 1992; and others). These refer
Page 302 and 303: · Manskaya et al. (1956) studied a
Page 304 and 305: concentrations of humic acid, there
Page 306 and 307: pH U Kd (ml/g) Clay Cont. (wt.%) CE
Page 326 and 327: J.6.0 References Ames, L. L., J. E.
Page 328 and 329: Erikson, R. L., C. J. Hostetler, R.
Page 330 and 331: R. C. Ewing. Materials Research Soc
Page 332 and 333: Sheppard, M. I., and D. H. Thibault
Page 334: Yamamoto, T., E. Yunoki, M. Yamakaw
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UNDERSTANDING VARIATION IN PARTITION COEFFICIENT, Kd ...

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