Environmental Fate of Roxarsone in Poultry Litter. I. Degradation of Roxarsone during Composting von Garbarino, J. R, Bednar, A. J, Rutherford, D. W, Beyer, R. S, Wershaw, R. L

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Environmental Fate of Roxarsone in Poultry Litter. Part II. Mobility of Arsenic in Soils Amended with Poultry Litter von Rutherford, D. W, Bednar, A. J, Garbarino, J. R, Needham, R, Staver, K. W, Wershaw, R. L

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Photodegradation of roxarsone in poultry litter leachates von Bednar, A.J., Garbarino, J.R., Ferrer, I., Rutherford, D.W., Wershaw, R.L., Ranville, J.F., Wildeman, T.R.

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Characterization and diagenesis of strong-acid carboxyl groups in humic substances von LEENHEER, J. A, WERSHAW, R. L, BROWN, G. K, REDDY, M. M

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Correlation of Soil and Sediment Organic Matter Polarity to Aqueous Sorption of Nonionic Compounds von Kile, Daniel E, Wershaw, Robert L, Chiou, Cary T

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Chemical Characteristics of Particulate, Colloidal, and Dissolved Organic Material in Loch Vale Watershed, Rocky Mountain National Park von McKnight, Diane M., Harnish, Richard, Wershaw, Robert L., Baron, Jill S., Schiff, Sherry

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Mass spectrometric identification of an azobenzene derivative produced by smectite-catalyzed conversion of 3-amino-4-hydroxyphenylarsonic acid von Wershaw, R.L., Rutherford, D.W., Rostad, C.E., Garbarino, J.R., Ferrer, Imma, Kennedy, K.R., Momplaisir, Georges-Marie, Grange, Andrew

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Model for Humus in Soils and Sediments von Wershaw, Robert

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Comparison of humic substances isolated from peatbog water by sorption on DEAE-cellulose and amberlite XAD-2 von Hejzlar, J, Szpakowska, B, Wershaw, R.L

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Application of a membrane model to the sorptive interactions of humic substances von Wershaw, R.L. (U.S. Geological Survey, Arvada, CO)

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Biogeochemistry of Aquatic Humic Substances in Thoreau's Bog, Concord, Massachusetts von McKnight, Diane, Thurman, E. Michael, Wershaw, Robert L., Hemond, Harold

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Strong-Acid, Carboxyl-Group Structures in Fulvic Acid from the Suwannee River, Georgia. 1. Minor Structures von Leenheer, Jerry A, Wershaw, Robert L, Reddy, Michael M

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Strong-Acid, Carboxyl-Group Structures in Fulvic Acid from the Suwannee River, Georgia. 2. Major Structures von Leenheer, Jerry A, Wershaw, Robert L, Reddy, Michael M

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NMR characterization of humic acid fractions from different Philippine soils and sediments von Wershaw, R.L., Pinckney, D.J., Llaguno, E.C., Vicente-Beckett, V.

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Mid-Infrared Diffuse Reflectance Spectroscopic Examination of Charred Pine Wood, Bark, Cellulose, and Lignin: Implications for the Quantitative Determination of Charcoal in Soils von Reeves, James B., III, McCarty, Gregory W, Rutherford, David W, Wershaw, Robert L

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Molecular aggregation of humic substances von Wershaw, R.L

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Mechanism of formation of humus coatings on mineral surfaces 2. Attenuated total reflectance spectra of hydrophobic and hydrophilic fractions of organic acids from compost leachate... von Wershaw, R.L., Llaguno, E.C., Leenheer, J.A., Sperline, R.P., Song, Y.

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Methylation of Humic Acid Fractions von Wershaw, R. L., Pinckney, D. J.

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Rapid Changes in Dissolved Humic Substances in Spirit Lake and South Fork Castle Lake, Washington von McKnight, Diane M., Thorn, Kevin A., Wershaw, Robert L., Bracewell, J. Michael, Robertson, Graeme W.

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Mechanism of formation of humus coatings on mineral surfaces 1. Evidence for multidentate binding of organic acids from compost leachate on alumina von Wershaw, R.L, Leenheer, J.A, Sperline, R.P, Song, Yuan, Noll, L.A, Melvin, R.L, Rigatti, G.P

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