UNDERSTANDING VARIATION IN PARTITION COEFFICIENT, Kd ...

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Sr K d (ml/g) Clay Conten t (%) pH CEC (meq/ 100 g) Surface Area (m 2 /g) [Ca] (ppm) H.17 [Sr] Background Solution Soil ID Reference 1 and Comments 16 5.5 0.7 0 * Pyroxene 1, * = 4.4x10 2 Bq/ml 85- Sr in 2.4x10 -8 M SrCl 2 110 5.5 8.5 19.3 0 * MnO 2 1, * = 4.4x10 2 Bq/ml 85- Sr in 2.4x10 -8 M SrCl 2 7.7 5.8 24 113 µCi/l Groundwater AA 45/1 2 Jackson and Inch, 1989 9.9 6.1 25 105 µCi/l Groundwater AA45/3 2, K d = -.38Ca + 0.82. r2 = 0.19 12.6 6.1 23 105 µCi/l Groundwater AA45/4 2, Ca not important to Sr K d 13.7 5.8 22 123 µCi/l Groundwater AA45/5 2 10.1 6 24 99 µCi/l Groundwater AA45/7 2 15.8 5.8 21 143 µCi/l Groundwater AA38/1 2 13.8 5.8 27 113 µCi/l Groundwater AA38/2 2 11 5.9 21 114 µCi/l Groundwater AA38/3 2 14.2 5.6 21 124 µCi/l Groundwater AA38/4 2 6 5.8 24 115 µCi/l Groundwater AA38/5 2 7.5 5.9 21 117 µCi/l Groundwater AA38/6 2 6.9 5.9 17 108 µCi/l Groundwater AA38/8 2 8.3 6.1 24 68 µCi/l Groundwater AA27/1 2 8 6.2 21 71 µCi/l Groundwater AA27/2 2 6.7 6.2 28 72 µCi/l Groundwater AA27/3 2 6.8 6.2 84 µCi/l Groundwater AA27/4 2 4.9 6.2 18 84 µCi/l Groundwater AA27/5 2 5.1 6.2 19 87 µCi/l Groundwater AA27/6 2 8.5 6.2 17 88 µCi/l Groundwater AA27/7 2 8.8 6.2 18 90 µCi/l Groundwater AA27/8 2 5.6 6.3 20 77 µCi/l Groundwater AA34/1 2 5.3 6.4 16 79 µCi/l Groundwater AA34/2 2 7.2 6.4 18 65 µCi/l Groundwater AA34/3 2 5.1 6.3 18 72 µCi/l Groundwater AA34/4 2 6.5 6.4 17 75 µCi/l Groundwater AA34/5 2
Sr K d (ml/g) Clay Conten t (%) pH CEC (meq/ 100 g) Surface Area (m 2 /g) [Ca] (ppm) [Sr] Background Solution 6 6.2 14 79 µCi/l Groundwater AA34/6 2 6.5 6.2 15 107 µCi/l Groundwater AA34/7 2 7.6 6.2 17 107 µCi/l Groundwater AA34/8 2 H.18 Soil ID Reference 1 and Comments 21.4 0.47 Groundwater 3 Patterson and Spoel, 1981 25 0.83 Groundwater 3, CEC was approximated by adding exch. Ca,Mg,K 12.7 0.39 Groundwater 3, Groundwater =7.4 ppm Ca, 1.7 ppm Mg, 2.2 ppm Na, 5.6 ppm Cl, 18 ppm SO 4 7.9 0.46 Groundwater 3 15.6 0.81 Groundwater 3 9.4 0.21 Groundwater 3 7.6 0.25 Groundwater 3 6.4 0.24 Groundwater 3 7.7 0.26 Groundwater 3 28.1 0.76 Groundwater 3 7.63 0.26 Groundwater 3 11.4 0.41 Groundwater 3 20.1 0.44 Groundwater 3 13 0.25 Groundwater 3 9.8 0.29 Groundwater 3 11 0.22 Groundwater 3 13 0.39 Groundwater 3 7.8 0.2 Groundwater 3 3.8 0.1 Groundwater 3 3 0.1 Groundwater 3 2.5 0.13 Groundwater 3 4 10 4 5.5 0 1x10 -8 M .01M NaCl Puye soil-Na 15 10 5 5.5 0 1x10 -8 M .01M NaCl 4, Noncalcareous soils 4
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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
Page 206 and 207: Table E.3. Estimated range of K d v
Page 208 and 209: Table E.4. Data from Rai et al. (19
Page 210 and 211: E.4.0 References Davis, J. A. and J
Page 212 and 213: APPENDIX F Partition Coefficients F
Page 214 and 215: (CEC) of the soils. Such an anomaly
Page 216 and 217: Table F.1. Summary of K d values fo
Page 218 and 219: Figure F.2. Variation of K d as a f
Page 220 and 221: F.4.0 References Abd-Elfattah, A.,
Page 222 and 223: APPENDIX G Partition Coefficients F
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Page 226 and 227: pH value, which is typical of the m
Page 228 and 229: These significant reductions in ads
Page 230 and 231: This is typically accomplished by t
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Page 234 and 235: Table G.2. Regression models for pl
Page 236 and 237: G.4.0 References Barney, G. S. 1984
Page 238 and 239: Nelson, D. M., R. P. Larson, and W.
Page 240 and 241: APPENDIX H Partition Coefficients F
Page 242 and 243: 1.6 ml/g for a measurement made on
Page 244 and 245: Figure H.1. Relation between stront
Page 246 and 247: Figure H.2. Relation between stront
Page 248 and 249: H.2.4 Approach Figure H.4. Relation
Page 250 and 251: A second look-up table (Table H.5)
Page 252 and 253: Sr K d (ml/g) Clay Content (%) pH C
Page 254 and 255: Sr K d (ml/g) Clay Content (%) pH C
Page 258 and 259: Sr K d (ml/g) Clay Conten t (%) pH
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
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pH U Kd (ml/g) Clay Cont. (wt.%) CE
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J.6.0 References Ames, L. L., J. E.
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Erikson, R. L., C. J. Hostetler, R.
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R. C. Ewing. Materials Research Soc
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Sheppard, M. I., and D. H. Thibault
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Yamamoto, T., E. Yunoki, M. Yamakaw
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UNDERSTANDING VARIATION IN PARTITION COEFFICIENT, Kd ...

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