Potentiometric studies of the acid-base properties of tropical humic acids

Geoderma

Volumn 217-218, Issue , 2014, Pages 18-25

  Baidoo, Elvis ^a   Ephraim, James H ^b   Darko, Godfred ^a   Akoto, Osei ^a  

^a KWAME NKRUMAH UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Ghana)

^b Catholic University   (Ghana)

Author keywords

Humic acids; Modeling; Permeability; Potentiometric titration; Rigidity

Indexed keywords

ACIDITY; IONIC STRENGTH; MEAN SQUARE ERROR; MECHANICAL PERMEABILITY; MODELS; ORGANIC ACIDS; POTENTIOMETERS (ELECTRIC MEASURING INSTRUMENTS); RIGIDITY; TITRATION; VOLTAMMETRY;

ACID-BASE PROPERTY; HUMIC ACID; POTENTIOMETRIC STUDY; POTENTIOMETRIC TITRATIONS; ROOT MEAN SQUARE ERRORS; STOCKHOLM HUMIC MODELS; TITRATION CURVES; TROPICAL ORIGINS;

BIOLOGICAL MATERIALS;

ACIDITY; CATION; EXPERIMENTAL STUDY; HUMIC ACID; PERMEABILITY; PH; RIGIDITY; TROPICAL ENVIRONMENT;

EID: 84888407925     PISSN: 00167061     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.geoderma.2013.10.020     Document Type: Article

References (25)

1. Barak P., Chen Y. Equivalent radii of humic macromolecules from acid-base titration. Soil Sci. 1992, 154(3):184-195.
2. Bartschat B.M., Cabaniss S.E., Morel F.M.M. Oligoelectrolyte model for cation binding by humic substances. Environ. Sci. Technol. 1992, 26(2):284-294.
3. Campitelli P.A., Velasco M.I., Ceppi S.B. Charge development and acid-base characteristics of soil and compost humic acids. J. Chil. Chem. Soc. 2003, 43(3).
4. Christensen J.B., Tipping E., Kinniburgh D.G., Grøn C., Christensen T.H. Proton Binding by groundwater fulvic acids of different age, origins, and structure modeled with the Model V and NICA-Donnan model. Environ. Sci. Technol. 1998, 32(21):3346-3355.
5. Christensen J.B., Botma J.J., Christensen T.H. Complexation of Cu and Pb by DOC in polluted groundwater: a comparison of experimental data and predictions by computer speciation models (WHAM and MINTEQA2). Water Res. 1999, 33(15):323-3238.
6. de Wit J.C.M., van Riemsdijk W.H., Koopal L.K. Proton binding to humic substances. 1. Electrostatic effects. Environ. Sci. Technol. 1993, 27(10):2005-2014.
7. de Wit J.C.M., van Riemsdijk W.H., Koopal L.K. Proton binding to humic substances. 2. Chemical heterogeneity and adsorption models. Environ. Sci. Technol. 1993, 27(10):2015-2022.
8. Ephraim J.H., Alegret S., Mathuthu A., Bicking M., Malcolm R.L., Marinsky J.A. A unified physicochemical description of the protonation and metal ion complexation equilibria of natural organic acids (humic and fulvic acids). 2. Influence of polyelectrolyte properties and functional group heterogeneity on the protonation equilibria of fulvic acid. Environ. Sci. Technol. 1986, 20(4):354-366.
9. Ephraim J.H., Boren H., Pettersson C., Arsenie I., Allard B. A novel description of the acid-base properties of an aquatic fulvic acid. Environ. Sci. Technol. 1989, 23(3):356-362.
10. Fukushima M., Tanaka S., Hasebe K., Taga M., Nakamura H. Interpretation of the acid-base equilibrium of humic acid by a continuous pK distribution and electrostatic model. Original research article. Anal. Chim. Acta. 1995, 302(2-3):365-373.
11. Gustafsson J.P. Modeling the acid-base properties and metal complexation of humic substances with the Stockholm humic model. J. Colloid Interface Sci. 2001, 244:102-112.
12. Janoš P., Kříženecká S., Madronová L. Acid-base titration curves of solid humic acids. React. Funct. Polym. 2008, 68(1):242-247.
13. Jeong C.Y., Park C.W., Kim J.-G., Lim S.K. Carboxylic content of humic acid determined by modeling, calcium acetate, and precipitation methods. Soil Sci. Soc. Am. 2007, 71(1):86-94.
14. Kinniburgh D.G., van Riemsdijk W.H., Koopal L.K., Borkovec M., Benedetti M.F., Avena M.J. Ion binding to natural organic matter: competition, heterogeneity, stoichiometry and thermodynamic consistency. Colloids Surf. A Physicochem. Eng. Asp. 1999, 151:147-166.
15. Marinsky J.A., Ephraim J.H. A unified physicochemical description of the protonation and metal ion complexation equilibria of natural organic acids (humic and fulvic acids). 1. Analysis of the influence of polyelectrolyte properties on protonation equilibria in ionic media: fundamental concepts. Environ. Sci. Technol. 1986, 20(4):349-354.
16. Milne C.J., Crawford M.B., Kinniburgh D.G., Higgo J.J.W. Comparative Evaluation of Models for Ion-binding by Humic Substances: PHREEQEV/Model V and NICA-Donnan 1996, British Geological Survey, Keyworth.
17. Olsson S., van Schaik J.W.J., Gustafsson J.P., Kleja D.B., van Hees P.A.W. Copper(II) binding to dissolved organic matter fractions in municipal solid waste incinerator bottom ash leachate. Environ. Sci. Technol. 2007, 41(12):4286-4291.
18. Pagnanelli F., Mainelli S., Bornoroni L., Dionisi D., Toro L. Mechanisms of heavy-metal removal by activated sludge. Chemosphere 2009, 75(8):1028-1034.
19. Perdue E.M. Acidic functional groups of humic substances. Humic Substances in Soil, Sediment and Water; Geochemistry, Isolation and Characterization 1985, 495-526. John Wiley and Sons, New York. G.R. Aiken, D.M. McKnight, R.L. Wershaw, P. MacCarthy (Eds.).
20. Ritchie J.D., Perdue E.M. Proton-binding study of standard and reference fulvic acids, humic acids, and natural organic matter. Original research article. Geochim. Cosmochim. Acta 2003, 67(1):85-96.
21. Sebastia J., Labanowski J., Lamy I. Changes in soil organic matter chemical properties after organic amendments. Chemosphere 2007, 68(7):1245-1253.
22. Stumm W., Morgan J.J. Aquatic Chemistry: An Introduction Emphasizing Chemical Equilibria in Natural Waters 1981, J. Wiley & Sons. 2nd. edition.
23. Swift R.S. Organic matter characterization. Part 3 - Chemical Methods 1996, 1011-1069. D.L. Sparks, A.L. Page, P.A. Helmke, R.H. Loeppert, P.N. Soltanpour, M.A. Tabatabai, C.T. Johnston, M.E. Sumner, D.L. Sparks, A.L. Page, P.A. Helmke, R.H. Loeppert, P.N. Soltanpour, M.A. Tabatabai, C.T. Johnston, M.E. Sumner (Eds.).
24. Tipping E. Humic ion-binding model VI: an improved description of the interactions of protons and metal ions with humic substances. Aquat. Geochem. 1998, 4(45):3-47.
25. Tipping E. Cation binding by humic substances. Cambridge; New York:. Cambridge Environmental Chemistry Series 2002, Cambridge University Press. 1st ed.