Determination of conditional stability constants of cadmium-humic acid complexes in freshwater by use of a competitive ligand equilibration-solvent extraction technique

Environmental Toxicology and Chemistry

Volumn 19, Issue 2, 2000, Pages 283-292

  Van Ginneken, Luc ^a   Blust, Ronny ^a  

^a UNIVERSITY OF ANTWERP   (Belgium)

Author keywords

Cadmium; Metal speciation; Organic complexation Dissolved organic matter; Titration curve

Indexed keywords

8 QUINOLINOL SULFATE; BENZENE; CADMIUM; FRESH WATER; HUMIC ACID; LIGAND; POTASSIUM IODIDE; PYRIDINE; SOLVENT;

ADSORPTION; ARTICLE; COMPLEX FORMATION; EQUILIBRIUM CONSTANT; EXTRACTION; GAMMA SPECTROMETRY; PRIORITY JOURNAL; TITRIMETRY; WATER POLLUTION;

EID: 0034010678     PISSN: 07307268     EISSN: None     Source Type: Journal    
DOI: 10.1002/etc.5620190206     Document Type: Article

References (40)

1. Campbell PGC. 1995. Interactions between trace metals and aquatic organisms: A critique of the free-ion activity model. In Tessier A, Turner DR, eds, Metal Speciation and Bioavailability in Aquatic Systems. John Wiley & Sons, Chichester, UK, pp 45-102.
2. Campbell PGC, Tessier A. 1996. Ecotoxicology of metals in the aquatic environment: Geochemical aspects. In Newman MC, Jagoe CH, eds, Ecotoxicology: A Hierarchical Treatment. Lewis, Boca Raton, FL, USA, pp 11-58.
3. Morel FMM. 1983. Principles of Aquatic Chemistry. Wiley-Interscience, New York, NY, USA.
4. Buffle J. 1990. Complexation Reactions in Aquatic Systems: An Analytical Approach. Ellis Horwood, Chichester, UK.
5. Neubecker TH, Allen HE. 1983. The measurement of complexation capacity and conditional stability constants for ligands in natural waters. Water Res 17:1-14.
6. Buffle J, Deladoey P, Greter FL, Haerdi W. 1980. Study of the complex formation of copper(II) by humic and fulvic substances. Anal Chim Acta 116:255-274.
7. Waite TD, Morel FMM. 1983. Characterization of complexing agents in natural waters by copper(II)/copper(I) amperometry. Anal Chem 55:1268-1274.
8. Sunda WG. Measurement of manganese, zinc and cadmium complexation in seawater using chelex ion exchange equilibria. Mar Chem 14:365-378.
9. van den Berg CMG. 1984. Determination of the complexing capacity and conditional stability constants of complexes of copper(II) with natural organic ligands in seawater by cathodic stripping voltammetry of copper-catechol complex ions. Mar Chem 15:1-18.
10. Donat JR, Bruland KW. 1990. A comparison of two voltammetric techniques for determining zinc speciation in northeast Pacific Ocean waters. Mar Chem 28:301-323.
11. Rue EL, Bruland KW. 1995. Complexation of iron(III) by natural ligands in the central North Pacific as determined by a new competitive ligand equilibrium/adsorptive cathodic stripping voltammetric method. Mar Chem 50:117-138.
12. Moffett JW, Zika RG. 1987. Solvent extraction of copper acetylacetonate in studies of copper(II) speciation in seawater. Mar Chem 21:301-313.
13. Moffett JW, Zika RG. 1989. Solvent extraction of copper acetylacetonate in studies of copper(II) speciation in seawater: Erratum. Mar Chem 27:145.
14. Miller LA, Bruland KW. 1994. Determination of copper speciation in marine waters by competitive ligand equilibration/liquid-liquid extraction: An evaluation of the technique. Anal Chim Acta 284:573-586.
15. Meima JA. 1997. Geochemical modeling and identification of leaching processes in MSWI bottom ash: Implications for the short-term and long-term release of contaminants. PhD thesis. State University, Utrecht, The Netherlands.
16. Miller LA, Bruland KW. 1995. Organic speciation of silver in marine waters. Environ Sci Technol 29:2616-2621.
17. Mattison LE, Wolford JC. 1966. Radiotracer method for determination of cadmium. Anal Chem 38:1675-1677.
18. Stary J, Kratzer K. 1990. A liquid-liquid distribution method for the study of complexation of cadmium in natural waters. J Radioanal Nucl Chem 139:231-237.
19. Scatchard G. 1949. The attractions of proteins for small molecules and ions. Ann N Y Acad Sci 51:660-672.
20. Ruzic I. 1982. Theoretical aspects of the direct titration of natural waters and its information yield for trace metal speciation. Anal Chim Acta 140:99-113.
21. 2. I. Theory. Mar Chem 11:307-322.
22. Gerringa L, Herman PMJ, Poortvliet TCW. 1995. Comparison of the linear van den Berg/Ruzic transformation and a non-linear fit of the Langmuir isotherm applied to Cu speciation data in the estuarine environment. Mar Chem 48:131-142.
23. Ringbom A, Still E. 1972. The calculation of α-coefficients. Anal Chim Acta 59:143-146.
24. Blust R, Van Ginneken L. 1998. Solution: A Model to Predict the Chemical Speciation of Aqueous Solutions. University of Antwerp, Antwerp, Belgium.
25. Ginzburg G. 1976. Calculation of all equilibrium concentrations in a system of competing complexation. Talanta 23:142-149.
26. Dickson AG, Whitfield M. 1981. An ion-association model for estimating acidity constants (at 25°C and 1 atm pressure) in electrolyte mixtures related to seawater (ionic strength 1 mol/kg). Mar Chem 10:315-333.
27. Martell AE, Smith RM, eds. 1997. Critical Stability Constants of Metal Complexes Database Version 3.0. National Institute of Standards and Technology, Gaithersburg, MD, USA.
28. Turner DR. 1995. Problems in trace metal speciation modeling. In Tessier A, Turner DR, eds, Metal Speciation and Bioavailability in Aquatic Systems. John Wiley & Sons, Chichester, UK, pp 149-203.
29. De Wit M, Blust R. 1998. Determination of metals in saline and biological matrices by axial inductively coupled plasma atomic emission spectrometry using microconcentric nebulization. J Anal At Spectrom 13:515-520.
30. Kinniburgh DG, Milne CJ, Benedetti MF, Pinheiro JP, Filius J, Koopal LK, van Riemsdijk WH. 1996. Metal ion binding by humic acid: Application of the NICA-Donnan model. Environ Sci Technol 30:1687-1698.
31. Dzombak DA, Fish W, Morel FMM. 1986. Metal-humate interactions. 1. Discrete ligand and continuous distribution models. Environ Sci Technol 20:669-675.
32. Černik M, Borkovec M, Westall JC. 1995. Regularized least-squares methods for the calculation of discrete and continuous affinity distributions for heterogeneous sorbents. Environ Sci Technol 29:413-425.
33. Vermeer R. 1996. Interactions between humic acid and hematite and their effects on metal ion speciation. PhD thesis. Agricultural University, Wageningen, The Netherlands.
34. Saar RA, Weber JH. 1979. Complexation of cadmium(II) with water- and soil-derived fulvic acids: Effect of pH and fulvic acid concentration. Can J Chem 57:1263-1268.
35. Ephraim JH, Xu H. 1989. The binding of cadmium by an aquatic fulvic acid: A comparison of ultrafiltration with ion-exchange distribution and ion-selective electrode techniques. Sci Total Environ 81/82:625-634.
36. van den Hoop MAGT. 1994. Electrochemical metal speciation in natural and model polyelectrolyte systems. PhD thesis. Agricultural University, Wageningen, The Netherlands.
37. Ghosh R, Banerjee DK. 1997. Complexation of trace metals with humic acids from soil, sediment and sewage. Chem Spec Bioavail 9:15-19.
38. Apte SC, Gardner MJ, Ravenscroft JE. 1988. An evaluation of voltammetric titration procedures for the determination of trace metal complexation in natural waters by use of computer simulation. Anal Chim Acta 212:1-21.
39. Hering JG, Morel FMM. 1990. The kinetics of trace metal complexation: Implications for metal reactivity in natural waters. In Stumm W, ed, Aquatic Chemical Kinetics. John Wiley & Sons, New York, NY, USA, pp 145-171.
40. van den Berg CMG, Nimmo M, Daly P, Turner DR. 1990. Effects of the detection window on the determination of organic copper speciation in estuarine waters. Anal Chim Acta 232:149-159.