Extraction of heavy metals by chelators attached to silica gel by a corkscrew mechanism

Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering

Volumn 32, Issue 1, 1997, Pages 123-132

  Noris, Charles D ^a   Benson, Robert F ^a   Martin, Dean F ^a  

^a UNIVERSITY OF SOUTH FLORIDA   (United States)

Author keywords

diketones; Chelating agents; Heavy metals; Remediation; Sahcylaldoximines; Supported

Indexed keywords

AMMONIA; BUFFER; CADMIUM; CHELATING AGENT; COPPER; DIKETONE; HEAVY METAL; HYDROCARBON; SALICYLALDOXIME; SILICA GEL;

ADSORPTION; ARTICLE; ATOMIC ABSORPTION SPECTROMETRY; CHELATION; CONTROLLED STUDY; EXTRACTION; PH;

EID: 0347704041     PISSN: 10934529     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (11)

1. AHRLAND, S., J. CHATT, AND N. DAVIES. 1958. The relative affinities of ligand atoms for acceptor molecules and ions. Quart. Revs. (London) 12: 265-300.
2. BENSON, R. F. AND D. F. MARTIN. 1992. Supported chelating agents. The corkscrew model. J. Environ. Sci. Health. A27:2191-2197.
3. BJERRUM, J., G. SCHWARZENBACH, AND L. G SILLÉN. 1957. Stability Complexes of Metal-Ion Complexes with Solubility Products of Inorganic Substances. Part I, Organic Ligands, 2nd ed. The Chemical Society . London.
4. KRAUS, M. AND A. PATCHORNIK. 1979. Polymeric reagents. Chemtech. 9, 118-128.
5. LEE, D. W. AND M. HALMANN. 1976. Separation of nickel(II) by a dimethylglyoxime-treated polyurethane foam. Anal. Chem. 48(14), 2214-18.
6. LEE, K S., W. LEE, AND D. W. LEE. 1978. Selective separation of metal ions by a chelating agent-loaded anion exchanger. Anal. Chem. 50(2), 255-8.
7. NOLLER, C. R. 1951. Chemistry of Organic Compounds. W. B. Saunders Company, Philadelphia, PA.
8. NORRIS, C. D. 1995. Doctoral dissertation, University of South Florida, Tampa.
9. NORRIS, C. D., R. F. BENSON, AND D.F. MARTIN. 1996. Extraction of heavy metals by resin-supported chelators. Florida Scient. 59, 174-181.
10. POORÉ, D.D., R. F. BENSON, AND D. F. MARTIN. 1996. Removal of heavy metal ions from aqueous solutions using dithiooxamides supported on silica gel. J. Environ. Sci. Health. In press.
11. WARSHAWSKY, A. 1974. Polystyrene impregnated with β-diphenylglyoxime, a selective reagent for palladium Talanta, 21, 624-6.