Wershaw, R. L.: search on Z-Library

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1

Complexation of copper by aquatic humic substances from different environments

Diane M. McKnight, Gerald L. Feder, E. Michael Thurman, Robert L. Wershaw, John C. Westall

Journal:

Science of The Total Environment

Year:

1983

Language:

english

File:

PDF, 548 KB

english, 1983

2

Advances in Organic Geochemistry || HYDROGEN ISOTOPIC FRACTIONATION OF WATER PASSING THROUGH TREES

Year:

1970

Language:

english

File:

PDF, 1.33 MB

english, 1970

3

Distinguishing black carbon from biogenic humic substances in soil clay fractions

David A. Laird, Mark A. Chappell, Dean A. Martens, Robert L. Wershaw, Michael Thompson

Journal:

Year:

2008

Language:

english

File:

PDF, 1.92 MB

english, 2008

4

Modern very high pressure techniques: edited by R. H. Wentorf, Jr. Butterworths, Washington, 1962. xiv + 233 pp. 152 Figs. 60s

Robert L. Wershaw

Journal:

Geochimica et Cosmochimica Acta

Year:

1963

Language:

english

File:

PDF, 87 KB

english, 1963

5

Effect of formation conditions on biochars: Compositional and structural properties of cellulose, lignin, and pine biochars

Rutherford, David W., Wershaw, Robert L., Rostad, Colleen E., Kelly, Charlene N.

Journal:

Biomass and Bioenergy

Year:

2012

Language:

english

File:

PDF, 1.11 MB

english, 2012

6

Comparison of humic substances isolated from peatbog water by sorption on DEAE-cellulose and amberlite XAD-2

J Hejzlar, B Szpakowska, R.L Wershaw

Journal:

Year:

1994

Language:

english

File:

PDF, 798 KB

english, 1994

7

The determination of the lonization constant of 2,4-D in water

Wershaw, R. L., Goldberg, M. C., Pinckney, D. J.

Journal:

Water Resources Research

Year:

1967

Language:

english

File:

PDF, 362 KB

english, 1967

8

Geochemistry of aquatic humic substances in the Lake Fryxell Basin, Antarctica

George Aiken, Diane McKnight, Richard Harnish, Robert Wershaw

Journal:

Biogeochemistry

Year:

1996

Language:

english

File:

PDF, 1.54 MB

english, 1996

9

A new model for humic materials and their interactions with hydrophobic organic chemicals in soil-water or sediment-water systems

Robert L. Wershaw

Journal:

Journal of Contaminant Hydrology

Year:

1986

Language:

english

File:

PDF, 1.05 MB

english, 1986

10

Spectral Characteristics of Polydeuterated Toluenes

Goldberg, Marvin C., Wershaw, Robert L., Babad, Harry, Mueller, Hans W.

Journal:

Applied Spectroscopy

Year:

1969

Language:

english

File:

PDF, 283 KB

english, 1969

11

Geochemistry of Aquatic Humic Substances in the Lake Fryxell Basin, Antarctica

George Aiken, Diane McKnight, Richard Harnish and Robert Wershaw

Journal:

Biogeochemistry

Year:

1996

Language:

english

File:

PDF, 819 KB

english, 1996

12

Environmental Fate of Roxarsone in Poultry Litter. Part II. Mobility of Arsenic in Soils Amended with Poultry Litter

Rutherford, D. W., Bednar, A. J., Garbarino, J. R., Needham, R., Staver, K. W., Wershaw, R. L.

Journal:

Environmental Science & Technology

Year:

2003

Language:

english

File:

PDF, 120 KB

english, 2003

13

Humic Substances in Soil, Sediment, and Water. 1985

Aiken, G. R., McKnight, D. M., Wershaw, R. L., MacCarthy, P.

Journal:

Year:

1986

File:

PDF, 157 KB

1986

14

Displacement of Soil Pore Water by Trichloroethylene

Wershaw, R. L., Aiken, G. R., Imbrigiotta, T. E., Goldberg, M. C.

Journal:

Journal of Environmental Quality

Year:

1994

Language:

english

File:

PDF, 230 KB

english, 1994

15

Mechanism of formation of humus coatings on mineral surfaces 3. Composition of adsorbed organic acids from compost leachate on alumina by solid-state 13C NMR

R.L. Wershaw, E.C. Llaguno, J.A. Leenheer

Journal:

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year:

1996

Language:

english

File:

PDF, 858 KB

english, 1996

16

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 on alumina

R.L. Wershaw, E.C. Llaguno, J.A. Leenheer, R.P. Sperline, Y. Song

Journal:

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year:

1996

Language:

english

File:

PDF, 1014 KB

english, 1996

17

Humic substances and trace metals associated with Fe and Al oxides deposited in an acidic mountain stream

Diane M. McKnight, Robert L. Wershaw, Kenneth E. Bencala, Gary W. Zellweger, Gerald L. Feder

Journal:

Science of The Total Environment

Year:

1992

Language:

english

File:

PDF, 675 KB

english, 1992

18

Characterization of humic acid fractions by C‐13 nuclear magnetic resonance spectroscopy

Wershaw, Robert L., Thorn, Kevin A., Pinckney, Dorothy J.

Journal:

Environmental Technology Letters

Year:

1988

Language:

english

File:

PDF, 518 KB

english, 1988

19

Part 2 || Rapid Changes in Dissolved Humic Substances in Spirit Lake and South Fork Castle Lake, Washington

Diane M. McKnight, Kevin A. Thorn, Robert L. Wershaw, J. Michael Bracewell and Graeme W. Robertson

Journal:

Limnology and Oceanography

Year:

1988

Language:

english

File:

PDF, 2.31 MB

english, 1988

20

NMR characterization of humic acid fractions from different Philippine soils and sediments

R.L. Wershaw, D.J. Pinckney, E.C. Llaguno, V. Vicente-Beckett

Journal:

Analytica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 897 KB

english, 1990

21

Mass spectrometric identification of an azobenzene derivative produced by smectite-catalyzed conversion of 3-amino-4-hydroxyphenylarsonic acid

R.L. Wershaw, D.W. Rutherford, C.E. Rostad, J.R. Garbarino, Imma Ferrer, K.R. Kennedy, Georges-Marie Momplaisir, Andrew Grange

Journal:

Year:

2003

Language:

english

File:

PDF, 243 KB

english, 2003

22

Detection of poly(ethylene glycol) residues from nonionic surfactants in surface water by proton and carbon-13 nuclear magnetic resonance spectrometry

Leenheer, Jerry A., Wershaw, R. L., Brown, P. A., Noyes, T. I.

Journal:

Environmental Science & Technology

Year:

1991

Language:

english

File:

PDF, 921 KB

english, 1991

23

Understanding Humic Substances || USE OF 13C NMR AND FTIR FOR ELUCIDATION OF DEGRADATION PATHWAYS DURING SENESCENCE AND LITTER DECOMPOSITION OF ASPEN LEAVES

Wershaw, Robert L.

Year:

1999

Language:

english

File:

PDF, 1.04 MB

english, 1999

24

Application of a membrane model to the sorptive interactions of humic substances.

Journal:

Environmental Health Perspectives

Year:

1989

Language:

english

File:

PDF, 3.29 MB

english, 1989

25

Aqueous chlorination of resorcinol

Victor L. Heasley, Michael D. Burns, Nathan A. Kemalyan, Tawnya C. McKee, Hinako Schroeter, Brad R. Teegarden, Scott E. Whitney, Robert L. Wershaw

Journal:

Environmental Toxicology and Chemistry

Year:

1989

Language:

english

File:

PDF, 354 KB

english, 1989

26

Pyrolysis of humic and fulvic acids

R.L. Wershaw, G.E. Bohner Jr.

Journal:

Geochimica et Cosmochimica Acta

Year:

1969

Language:

english

File:

PDF, 505 KB

english, 1969

27

Methylation of Humic Acid Fractions

WERSHAW, R. L., PINCKNEY, D. J.

Journal:

Year:

1978

Language:

english

File:

PDF, 552 KB

english, 1978

28

Strong-Acid, Carboxyl-Group Structures in Fulvic Acid from the Suwannee River, Georgia. 1. Minor Structures

Leenheer, Jerry A., Wershaw, Robert L., Reddy, Michael M.

Journal:

Environmental Science & Technology

Year:

1995

Language:

english

File:

PDF, 709 KB

english, 1995

29

Dissolved Organic Carbon as an Integration of Global Stresses on Freshwater || Chemical Characteristics of Particulate, Colloidal, and Dissolved Organic Material in Loch Vale Watershed, Rocky Mountain National Park

Diane M. McKnight, Richard Harnish, Robert L. Wershaw, Jill S. Baron and Sherry Schiff

Journal:

Biogeochemistry

Year:

1997

Language:

english

File:

PDF, 540 KB

english, 1997

30

Direct carbon-13 NMR evidence for carbohydrate moieties in fulvic acids

Wershaw, R. L., Mikita, M. A., Steelink, Cornelius.

Journal:

Environmental Science & Technology

Year:

1981

Language:

english

File:

PDF, 399 KB

english, 1981

31

Strong-Acid, Carboxyl-Group Structures in Fulvic Acid from the Suwannee River, Georgia. 2. Major Structures

Leenheer, Jerry A., Wershaw, Robert L., Reddy, Michael M.

Journal:

Environmental Science & Technology

Year:

1995

Language:

english

File:

PDF, 732 KB

english, 1995

32

Biogeochemistry of Aquatic Humic Substances in Thoreau's Bog, Concord, Massachusetts

McKnight, Diane, Thurman, E. Michael, Wershaw, Robert L., Hemond, Harold

Journal:

Year:

1985

Language:

english

File:

PDF, 632 KB

english, 1985

33

Chemical Characteristics of Particulate, Colloidal, and Dissolved Organic Material in Loch Vale Watershed, Rocky Mountain National Park

Diane M. McKnight, Richard Harnish, Robert L. Wershaw, Jill S. Baron, Sherry Schiff

Journal:

Biogeochemistry

Year:

1997

Language:

english

File:

PDF, 733 KB

english, 1997

34

Environmental Fate of Roxarsone in Poultry Litter. I. Degradation of Roxarsone during Composting

Garbarino, J. R., Bednar, A. J., Rutherford, D. W., Beyer, R. S., Wershaw, R. L.

Journal:

Environmental Science & Technology

Year:

2003

Language:

english

File:

PDF, 102 KB

english, 2003

35

Interaction of pesticides with natural organic material

Wershaw, Robert L., Burcar, Patricia J., Goldberg, Marvin C.

Journal:

Environmental Science & Technology

Year:

1969

Language:

english

File:

PDF, 276 KB

english, 1969

36

Mid-Infrared Diffuse Reflectance Spectroscopic Examination of Charred Pine Wood, Bark, Cellulose, and Lignin: Implications for the Quantitative Determination of Charcoal in Soils

Reeves, James B., McCarty, Gregory W., Rutherford, David W., Wershaw, Robert L.

Journal:

Applied Spectroscopy

Year:

2008

Language:

english

File:

PDF, 545 KB

english, 2008

37

Photodegradation of roxarsone in poultry litter leachates

A.J. Bednar, J.R. Garbarino, I. Ferrer, D.W. Rutherford, R.L. Wershaw, J.F. Ranville, T.R. Wildeman

Journal:

Science of The Total Environment

Year:

2003

Language:

english

File:

PDF, 159 KB

english, 2003

38

Application of a Membrane Model to the Sorptive Interactions of Humic Substances

Robert L. Wershaw

Journal:

Environmental Health Perspectives

Year:

1989

Language:

english

File:

PDF, 3.87 MB

english, 1989

39

Characterization and diagenesis of strong-acid carboxyl groups in humic substances

J.A Leenheer, R.L Wershaw, G.K Brown, M.M Reddy

Journal:

Applied Geochemistry

Year:

2003

Language:

english

File:

PDF, 235 KB

english, 2003

40

Sodium Humate Solution Studied with Small-Angle X-Ray Scattering

Wershaw, R. L., Burcar, P. J., Sutula, C. L., Wiginton, B. J.

Journal:

Year:

1967

Language:

english

File:

PDF, 696 KB

english, 1967

41

The use of variable temperature and magic-angle sample spinning in studies of fulvic acids

William L Earl, Robert L Wershaw, Kevin A Thorn

Journal:

Journal of Magnetic Resonance (1969)

Year:

1969

Language:

english

File:

PDF, 947 KB

english, 1969

42

C-13 NMR characterization of humic materials isolated by an MIBK partitioning procedure

K. Thorn, J. Rice, R. Wershaw, P. MacCarthy

Journal:

Science of The Total Environment

Year:

1987

Language:

english

File:

PDF, 141 KB

english, 1987

43

High Precision Conductivity Bridge.

Wershaw, R. L., Goldberg, M. C.

Journal:

Analytical Chemistry

Year:

1965

Language:

english

File:

PDF, 263 KB

english, 1965

44

Changes in dissolved organic material in Spirit Lake, Washington, USA

D.M. McKnight, Kevin Thorn, Robert Wershaw

Journal:

Science of The Total Environment

Year:

1987

Language:

english

File:

PDF, 218 KB

english, 1987

45

Carbon-13 enriched nuclear magnetic resonance method for the determination of hydroxyl functionality in humic substances

Mikita, Michael A., Steelink, Cornelius., Wershaw, Robert L.

Journal:

Analytical Chemistry

Year:

1981

Language:

english

File:

PDF, 1.02 MB

english, 1981

46

Mechanism of formation of humus coatings on mineral surfaces 1. Evidence for multidentate binding of organic acids from compost leachate on alumina

R.L Wershaw, J.A Leenheer, R.P Sperline, Yuan Song, L.A Noll, R.L Melvin, G.P Rigatti

Journal:

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year:

1995

Language:

english

File:

PDF, 823 KB

english, 1995

47

Near infrared spectroscopic examination of charred pine wood, bark, cellulose and lignin: implications for the quantitative determination of charcoal in soils

Reeves, III, James, McCarty, Gregory, Rutherford, David, Wershaw, Robert

Journal:

Journal of Near Infrared Spectroscopy

Year:

2007

Language:

english

File:

PDF, 841 KB

english, 2007

48

Correlation of Soil and Sediment Organic Matter Polarity to Aqueous Sorption of Nonionic Compounds

Kile, Daniel E., Wershaw, Robert L., Chiou, Cary T.

Journal:

Environmental Science & Technology

Year:

1999

Language:

english

File:

PDF, 53 KB

english, 1999

49

Model for Humus in Soils and Sediments

Wershaw, Robert

Journal:

Environmental Science & Technology

Year:

1993

Language:

english

File:

PDF, 3.03 MB

english, 1993

50

Humic Substances || STRUCTURAL-GROUP QUANTITATION BY CP/MAS 13C NMR MEASUREMENTS OF DISSOLVED ORGANIC MATTER FROM NATURAL SURFACE WATERS

Year:

2000

Language:

english

File:

PDF, 1.05 MB

english, 2000

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