The lanthanum precipitation method. Part 1: A new method for technetium(IV) speciation in humic rich natural groundwater

Chemosphere

Volumn 73, Issue 4, 2008, Pages 484-490

  Geraedts, K ^a   Maes, A ^a  

^a UNIVERSITY OF LEUVEN   (Belgium)

Author keywords

Gorleben humic substances; La precipitation method; Tc speciation; Technetium colloids

Indexed keywords

AGGLOMERATION; GROUNDWATER; HYDROGEOLOGY; PRECIPITATION (CHEMICAL); TECHNETIUM;

GORLEBEN HUMIC SUBSTANCES; HUMIC SUBSTANCES; LA-PRECIPITATION METHOD; NATURAL GROUNDWATER; PRECIPITATION METHODS; TC SPECIATION; TECHNETIUM COLLOIDS;

LANTHANUM;

GROUND WATER; LANTHANUM; TECHNETIUM;

COLLOID; FLOCCULATION; HUMIC SUBSTANCE; PRECIPITATION (CHEMISTRY); RARE EARTH ELEMENT; SPECIATION (CHEMISTRY); TECHNETIUM;

ARTICLE; MATHEMATICAL ANALYSIS; PH; PRECIPITATION; WATER ANALYSIS;

HUMIC SUBSTANCES; LANTHANUM; ORGANOTECHNETIUM COMPOUNDS; PRECIPITATION; WATER SUPPLY;

EID: 50649104360     PISSN: 00456535     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.chemosphere.2008.06.041     Document Type: Article

References (13)

1. Artinger R., Buckau G., Geyer S., Fritz P., Wolf M., and Kim J.I. Characterization of groundwater humic substances: influence of sedimentary organic carbon. Appl. Geochem. 15 (2000) 97-116
2. Bryan N.D., Jones M.N., Birkett J., and Livens F.R. Aggregation of humic substances by metal ions measured by ultracentrifugation. Anal. Chim. Acta 437 (2001) 291-308
3. Cui D.Q., and Eriksen T.E. Reduction of pertechnetate in solution by heterogeneous electron transfer from Fe(II)-containing geological material. Environ. Sci. Technol. 30 (1996) 2263-2269
4. Geraedts K., Bruggeman C., Maes A., Van Loon L.R., Rossberg A., and Reich T. Evidence for the existence of Tc(IV) - humic substance species by X-ray absorption near-edge spectroscopy. Radiochim. Acta 90 (2002) 879-884
5. Geraedts K., and Maes A. Determination of the conditional interaction constant for the reaction between technetium(IV) and Gorleben humic substances. Appl. Geochem. 23 (2008) 1127-1139
6. Geraedts K., and Maes A. The La-precipitation method. Part 2: Quantification of the conditional interaction constant between technetium(IV) and humic substances. Chemosphere 73 4 (2008) 491-497
7. Kim J.I., Buckau G., Li G.H., Duschner H., and Psarros N. Characterization of humic and fulvic-acids from Gorleben groundwater. Fresen. J. Anal. Chem. 338 (1990) 245-252
8. Maes A., Tits J., Mermans G., and Dierckx A. Measurement of the potentially available charge and the dissociation behaviour of humic acid from cobaltihexammine adsorption. J. Soil Sci. 43 (1992) 669-677
9. Maes A., Bruggeman C., Geraedts K., and Vancluysen J. Quantification of the interaction of Tc with dissolved boom clay humic substances. Environ. Sci. Technol. 37 (2003) 747-753
10. Maes A., Geraedts K., Bruggeman C., Vancluysen J., Roβberg A., and Hennig C. Evidence for the interaction of technetium colloids with humic substances by X-ray absorption spectroscopy. Environ. Sci. Technol. 38 (2004) 2044-2051
11. Röβler D., Franke K., Süβ R., Becker E., and Kupsch H. Synthesis and chromatographic characterization of [Tc-99m]technetium-humic acid species. Radiochim. Acta 88 (2000) 95-100
12. Sekine T., Watanabe A., Yoshihara K., and Kim J.I. Complexation of technetium with humic acid. Radiochim. Acta 63 (1993) 87-90
13. Stalmans M., Maes A., and Cremers A. Role of organic matter as a geochemical sink for technetium in soils and sediments. In: Desmet G., and Myttenaere C. (Eds). Technetium in the Environment (1986), Elsevier Applied Science Publishers Ltd. 91-113