UNDERSTANDING VARIATION IN PARTITION COEFFICIENT, Kd ...

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pH U <strong>Kd</strong> (ml/g) Clay Cont. (wt.%) CEC (meq/100g) 4.36 247 Synthetic Groundwater, function of pH 4.53 264 Synthetic Groundwater, function of pH 4.58 903 Synthetic Groundwater, function of pH 4.61 324 Synthetic Groundwater, function of pH 4.71 522 Synthetic Groundwater, function of pH 4.81 1,216 Synthetic Groundwater, function of pH 4.95 1,185 Synthetic Groundwater, function of pH 4.84 3,381 Synthetic Groundwater, function of pH 5.00 2,561 Synthetic Groundwater, function of pH 5.10 2,635 Synthetic Groundwater, function of pH 5.11 3,807 Synthetic Groundwater, function of pH 5.19 4,293 Synthetic Groundwater, function of pH 5.52 4,483 Synthetic Groundwater, function of pH 5.15 4,574 Synthetic Groundwater, function of pH 5.24 5,745 Synthetic Groundwater, function of pH 5.16 7,423 Synthetic Groundwater, function of pH 5.28 3,214 Synthetic Groundwater, function of pH 5.52 5,564 Synthetic Groundwater, function of pH 5.44 6,687 Synthetic Groundwater, function of pH 5.54 6,185 Synthetic Groundwater, function of pH 5.58 6,615 Synthetic Groundwater, function of pH 5.85 7,124 Synthetic Groundwater, function of pH 5.45 8,146 Synthetic Groundwater, function of pH Surface Area (m 2 /g) Solution Soil Identification Reference / Comments J.38 Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980)
pH U <strong>Kd</strong> (ml/g) Clay Cont. (wt.%) CEC (meq/100g) 5.56 8,506 Synthetic Groundwater, function of pH 5.74 9,332 Synthetic Groundwater, function of pH 5.50 10,462 Synthetic Groundwater, function of pH 5.69 10,681 Synthetic Groundwater, function of pH 5.54 11,770 Synthetic Groundwater, function of pH 5.66 13,616 Synthetic Groundwater, function of pH 5.81 14,675 Synthetic Groundwater, function of pH 5.86 14,417 Synthetic Groundwater, function of pH 5.75 20,628 Synthetic Groundwater, function of pH 6.01 24,082 Synthetic Groundwater, function of pH 6.20 22,471 Synthetic Groundwater, function of pH 5.95 26,354 Synthetic Groundwater, function of pH 6.35 26,078 Synthetic Groundwater, function of pH 6.40 25,601 Synthetic Groundwater, function of pH 6.35 27,671 Synthetic Groundwater, function of pH 6.46 30,529 Synthetic Groundwater, function of pH 6.13 31,477 Synthetic Groundwater, function of pH 6.26 33,305 Synthetic Groundwater, function of pH 6.80 37,129 Synthetic Groundwater, function of pH 6.86 37,657 Synthetic Groundwater, function of pH 6.81 32,312 Synthetic Groundwater, function of pH 7.10 29,390 Synthetic Groundwater, function of pH 7.85 33,583 Synthetic Groundwater, function of pH Surface Area (m 2 /g) Solution Soil Identification Reference / Comments J.39 Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980) Kaolinite Giblin (1980)
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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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Page 264 and 265: Konishi, M., K. Yamamoto, T. Yanagi
Page 266 and 267: APPENDIX I Partition Coefficients F
Page 268 and 269: descriptive statistics of the thori
Page 270 and 271: 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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