Metal binding by heterogeneous ligands: Kinetic master curves from SSCP waves

Environmental Science and Technology

Volumn 42, Issue 11, 2008, Pages 4014-4021

  Town, Raewyn M ^a  

^a UNIVERSITY OF SOUTHERN DENMARK   (Denmark)

Author keywords

[No Author keywords available]

Indexed keywords

ADSORPTION ISOTHERMS; COMPLEXATION; RATE CONSTANTS; REACTION KINETICS;

LIGAND RATIO DOMAIN; PEAT FULVIC ACID;

LIGANDS;

FULVIC ACID; LIGAND; METAL;

ADSORPTION ISOTHERMS; COMPLEXATION; LIGANDS; RATE CONSTANTS; REACTION KINETICS;

CHEMICAL BINDING; COMPLEXATION; COPPER; ISOTHERM; LEAD; LIGAND; REACTION KINETICS; REACTION RATE;

ARTICLE; COMPLEX FORMATION; KINETICS; MATHEMATICAL MODEL; METAL BINDING; POLLUTANT; POTENTIOMETRIC TITRATION; STRIPPING CHRONOPOTENTIOMETRY AT SCANNED DEPOSITION POTENTIAL;

BENZOPYRANS; CADMIUM; ENVIRONMENTAL POLLUTANTS; LEAD; LIGANDS; POTENTIOMETRY; SOIL;

EID: 44449126726     PISSN: 0013936X     EISSN: None     Source Type: Journal    
DOI: 10.1021/es703236b     Document Type: Article

References (43)

1. Buffle, J. Complexation Reactions in Aquatic Systems: An Analytical Approach; Ellis Horwood: Chichester, U.K., 1988.
2. Rate, A. W.; McLaren, R. G.; Swift, R. S. Response of Cu(II)-humic acid dissociation kinetics to factors influencing complex stability and macromolecular conformation. Environ. Sci. Technol. 1993, 27, 1408-1414.
3. Olson, D. L.; Shuman, M. S. Kinetic spectrum method for analysis of simultaneous, first-order reactions and application to copper(II) dissociation from aquatic macromolecules. Anal. Chem. 55, 1103-1107.
4. van Leeuwen, H. P.; Town, R. M.; Buffle, J.; Cleven, R. F. M. J.; Davison, W.; Puy, J.; van Riemsdijk, W. H.; Sigg, L. Dynamic metal speciation analysis and bioavailability of metals in aquatic systems. Environ. Sci. Technol. 2005, 39, 8545-8556.
5. Buffle, J.; Tercier-Waeber, M.-L. In In Situ Monitoring of Aquatic Systems. Chemical Analysis and Speciation; IUPAC Series on Analytical and Physical Chemistry of Environmental Systems; Buffle, J., Horvai, G. , Eds.; Wiley: Chichester, U.K., 2000; Vol. 6, pp 279-405.
6. Town, R. M.; van Leeuwen, H. P. Depletive stripping chronopotentiometry: A major step forward in electrochemical stripping techniques for metal ion speciation analysis. Electroanalysis 2004, 16, 458-471.
7. van Leeuwen, H. P.; Town, R. M. Electrochemical metal speciation analysis of chemically heterogeneous samples: The outstanding features of stripping chronopotentiometry at scanned deposition potential. Environ. Sci. Technol. 2003, 37, 3945-3952.
8. Town, R. M.; van Leeuwen, H. P. Comparative evaluation of scanned stripping techniques: SSCP vs SSV. Croat. Chem. Acta 2006, 79, 15-25.
9. van Leeuwen, H. P.; Buffle, J. Voltammetry of heterogeneous metal complex systems. Theoretical analysis of the effects of association/dissociation kinetics and the ensuing lability criteria. J. Electroanal. Chem. 1990, 296, 359-370.
10. Town, R. M.; van Leeuwen, H. P. Dynamic speciation analysis of heterogeneous metal complexes with natural ligands by stripping chronopotentiometry at scanned deposition potential (SSCP). Aust. J. Chem. 2004, 57, 983-992.
11. Heyrovský, J.; Kuta, J. Principles of Polarography; Academic Press: New York, 1966.
12. Koutecký, J.; Koryta, J. The general theory of polarographic kinetic currents. Electrochim. Acta 1961, 3, 318-339.
13. Koryta, J.; Dvorak, J.; Kavan, L. Principles of Electrochemistry, 2nd ed.; Wiley: Chichester, U.K., 1993.
14. Tercier, M. L.; Parthasarathy, N.; Buffle, J. Reproducible, reliable and rugged mercury-plated Ir-based microelectrode forin-situ measurements in natural waters. Electroanalysis 1995, 7, 55-63.
15. van Leeuwen, H. P.; Town, R. M. Stripping chronopotentiometry for metal speciation analysis at a microelectrode. J. Electroanal. Chem. 2002, 523, 16-25.
16. Town, R. M.; van Leeuwen, H. P. Fundamental features of metal ion determination by stripping chronopotentiometry. J. Electroanal. Chem. 2001, 509, 58-65.
17. van Leeuwen, H. P.; Town, R. M. Stripping chronopotentiometry at scanned deposition potential (SSCP). Part 1. Fundamental features. J. Electroanal. Chem. 2002, 536, 129-140.
18. Town, R. M.; van Leeuwen, H. P. Stripping chronopotentiometry at scanned deposition potential (SSCP). Part 2. Determination of metal ion speciation parameters. J. Electroanal. Chem. 2003, 541, 51-65.
19. van Leeuwen, H. P.; Buffle, J. Voltammetry of heterogeneous metal complex systems. Theoretical analysis of the effects of association/dissociation kinetics and the ensuing lability criteria. J. Electroanal. Chem. 1990, 296, 359-370.
20. van Leeuwen, H. P.; Town, R. M. Stripping chronopotentiometry at scanned deposition potential (SSCP) Part 3. Irreversible electrode reactions. J. Electroanal. Chem. 2003, 556, 93-102.
21. van Leeuwen, H. P.; Puy, J.; Galceran, J.; Cecilia, J. Evaluation of the Koutecký-Koryta approximation for voltammetric currents generated by metal complex systems with various labilities. J. Electroanal. Chem. 2002, 526, 10-18.
22. van Leeuwen, H. P.; Town, R. M. Stripping chronopotentiometry at scanned deposition potential (SSCP). Part 4. The kinetic current regime. J. Electroanal. Chem. 2004, 561, 67-74.
23. Pinheiro, J. P.; Minor, M. van Leeuwen, H. P. Metal speciation dynamics in colloidal ligand dispersions. Langmuir 2005, 21, 8635-8642.
24. Eigen, M. Fast elementary steps in chemical reaction mechanisms. Pure Appl. Chem. 1963, 6, 97-115.
25. Morel, F. M. M.; Hering, J. G. Principles and Applications of Aquatic Chemistry; Wiley: New York, 1993.
26. Buffle, J.; Zhang, Z.; Startchev, K. Metal flux and dynamic speciation at (bio)interfaces. Part I: Critical evaluation and compilation of physicochemical parameters for complexes with simple ligands and fulvic/humic substances. Environ. Sci. Technol. 2007, 41, 7609-7620.
27. Hosse, M.; Wilkinson, K. J. Determination of electrophoretic mobilities and hydrodynamic radii of three humic substances as a function of pH and ionic strength. Environ. Sci. Technol. 2001, 35, 4301-4306.
28. Galceran, J.; Puy, J.; Salvador, J.; Cecília, J.; van Leeuwen, H. P. Voltammetric lability of metal complexes at spherical microelectrodes with various radii. J. Electroanal. Chem. 2001, 505, 85-94.
29. van Leeuwen, H. P.; Town, R. M. Elementary features of depletive stripping chronopotentiometry. J. Electroanal. Chem. 2002, 535, 1-9.
30. Garcés, J. L.; Mas, F.; Cecília, J.; Companys, E.; Galceran, J.; Salvador, J.; Puy, J. Complexation isotherms in metal speciation studies at trace concentration levels. Voltammetric techniques in environmental samples. Phys. Chem. Chem. Phys. 2002, 4, 3764-3773.
31. Saar, R. A.; Weber, J. H. Lead(II)-fulvic acid complexes. Conditional stability constants, solubility and implications for lead(II) mobility. Environ. Sci. Technol. 1980, 14, 877-890.
32. Saar, R. A.; Weber, J. H. Comparison of spectrofluorometry and ion-selective electrode potentiometry for determination of complexes between fulvic acid and heavy-metal ions. Anal. Chem. 1980, 52, 2095-2100.
33. Cao, Y.; Conklin, M.; Betterton, E. Competitive complexation of trace metals with dissolved humic acid. Environ. Health Perspect. 1995, 103 (Suppl. 1), 29-32.
34. Varney, M. S.; Turner, D. R.; Whitfield, M.; Mantoura, R. F. C. In Complexation of Trace Metals in Natural Waters; Kramer, C. J. M., Duinker, J. C. , Eds.; Martinus Nijhoff/Dr W. Junk: The Hague, 1984; pp 33-46.
35. Turner, D. R.; Varney, M. S.; Whitfield, M.; Mantoura, R. F. C.; Riley, J. P. Electrochemical studies of copper and lead complexation by fulvic acid. I. Potentiometric measurements and a critical comparison of metal binding models. Geochim. Cosmochim. Acta 1986, 50, 289-297.
36. Saar, R. A.; Weber, J. H. Lead(II) complexation by fulvic acid: how it differs from fulvic acid complexation of copper(II) and cadmium(II). Geochim. Cosmochim. Acta 1980, 44, 1381-1384.
37. Šenkýř, J.; Ročáková, A.; Fetsch, D.; Havel, J. The acidobasic and complexation properties of humic acids. III. Study of humic acids complexation with cadmium(II) and lead(II) by pulse anodic stripping voltammetry. Toxicol. Environ. Chem. 1999, 68, 377-391.
38. 2+-fulvic acid metal complexes. J. Ind. Chem. Soc. 1972, 49, 947-951.
39. Iglesias, A. López, R.; Fiol, S.; Antelo, J. M.; Arce, F. Analysis of copper and calcium-fulvic acid complexation and competition effects. Water Res. 2003, 37, 3749-3755.
40. Haworth, D. T.; Pitluck, M. R.; Pollard, B. D. Conditional stability constant determination of metal aquatic fulvic acid complexes. J. Liq. Chromatogr. 1987, 10, 2877-2889.
41. Takács, M.; Alberts, J. J.; Egeberg, P. K. Characterization of natural organic matter from eight Norwegian surface waters: Proton and copper binding. Environ. Int. 1999, 25, 315-323.
42. Pinheiro, J. P.; van Leeuwen, H. P. Metal speciation dynamics and bioavailability. 2. Radial diffusion effects in the microorganism range. Environ. Sci. Technol. 2001, 35, 894-900.
43. van Leeuwen, H. P. Speciation dynamics and bioavailability of metals. J. Radioanal. Nucl. Chem. 2000, 246, 487-492.