Foreword ....................................................... ix
Preface ........................................................ xi
Contributors ................................................... xv
Conversion Factors for SI and Non-SI Units .................... xix
SECTION 1—COMPOSITION AND STRUCTURE ............................. 1
1 Considerations of Compositions and of Aspects of
the Structures of Humic Substances
M.H.B. Hayes and R.L. Malcolm ............................. 3
2 Predicting Chemical Reactivity of Humic Substances for
Minerals and Xenobiotics. Use of Computational Chemistry,
Scanning Probe Microscopy and Virtual Reality
G.W. Bailey, L.G. Akim, and S.M. Shevchenko .............. 41
3 Models of Humic Structures: Association of Humic Acids and
Organic Matter in Soils and Water
H.-R. Schulten ........................................... 73
4 Molecular Sizes and Association Forces of Humic Substances
in Solution
A. Piccolo, P. Conte, A. Cozzolino, and R. Spaccini ...... 89
5 Kinetics of Humic Acid Associations
R. von Wandruszka and R. Engebretson .................... 119
SECTION 2—INTERACTION WITH XENOBIOTICS ........................ 127
6 Adsorption of Pesticides by Humic Acids from Organic
Amendments and Soils
N. Senesi, E. Loffredo, V. D'Orazio, G. Brunetti,
T.M. Miano, and P. La Cava .............................. 129
7 Characterization of the Interaction between Xenobiotic
Residues and Humic Substances
J.-M. Bollag and J. Dec ................................. 155
8 Solubilization of Anthropogenic Compounds by Humic
Substances
R.L. Wershaw and T.M. Hayes ............................. 165
9 Association of Alcohol Ethoxylates with a Dissolved Humic
Substance
D.C. McAvoy and K.M. Kerr ............................... 177
10 Binding of Small Organic Molecules by Soluble Humic
Substances
U. Mingelgrin .......................................... 187
11 Measurements of Sorption-Desorption and Isotherm Analyses
C.E. Clapp, M.H.B. Hayes, and U. Mingelgrin ............. 205
12 Modern Laboratory Procedures for Measuring Organic
Crop Protection Chemicals
W.C. Koskinen and M.J. Duffy ............................ 241
13 Biological Techniques for Measuring Organic and Metal
Contaminants in Environmental Samples
J.W. Neilson and R.M. Maier ............................. 255
14 Impact of Humic Substances on Toxicity of Polycyclic
Aromatic Hydocarbons and Herbicides
I.V. Perminova, N.Yu. Gretschishcheva, V.S. Petrosyan,
M.A. Anisimova, N.A. Kulikova, G.F. Lebedeva,
D.N. Matorin, and P.S. Venediktov ....................... 275
15 Long-Term Fate of Organic Chemicals in Lysimeter
Experiments and the Role of the Bound Residue Fraction
P. Burauel and F. Führ .................................. 289
SECTION 3—INTERACTION WITH METALS ............................. 303
16 Modeling Concepts in Metal-Humic Complexation
E.M. Perdue ............................................. 305
17 X-Ray Spectroscopy Applications for the Study of Humic
Substances
P.R. Bloom, W.F. Bleam, and K. Xia ...................... 317
18 Photochemical and Microbial Processes Influencing
Iron-Humic Interactions in Stream and Lake Sediments
D.M. McKnight, D.T. Scott, D.C. Hrncir, and
D.R. Lovley ............................................. 351
19 Tight Metal Binding by Solid Phase Peat and Soil Humic
Acids
G. Davies, E.A. Ghabbour, A. Cherkasskiy, and
A. Fataftah ............................................. 371
20 Nuclear Magnetic Resonance Studies of Metal Interactions
with Humic Substances
W.L. Kingery, A.J. Simpson, F.X. Han, and B. Xing ....... 397
SECTION 4—TRANSPORT AND MODELING .............................. 427
21 Subsurface Transport of Dissolved Humic Substances and
Associated Contaminants
J.F. McCarthy ........................................... 429
22 Analysis of the Transport of Hydrophobic Organic
Xenobiotics in the Presence of Dissolved Organic Carbon
Using Soil Column Experiments
H. Vereecken, O. Nitzsche, and M. Schulze ............... 449
23 Effect of Non-Target Organics on Organic Chemical
Transport
C.G. Enfield, B.K. Lien, and A.L. Wood .................. 471
SUBJECT INDEX ................................................. 489
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