Effect of temperature on the protonation of the TALSPEAK ligands: Lactic and diethylenetrinitropentaacetic acids

Separation Science and Technology

Volumn 45, Issue 12, 2010, Pages 1718-1724

  Tian, Guoxin ^a   Rao, Linfeng ^a  

^a LAWRENCE BERKELEY NATIONAL LABORATORY   (United States)

Author keywords

Diethylenetrinitropentaacetic acid; Lactic acid; Protonation; Temperature effect

Indexed keywords

DIETHYLENETRINITROPENTAACETIC ACID; EFFECT OF TEMPERATURE; EXPERIMENTAL UNCERTAINTY; HIGHER TEMPERATURES; HYDROGEN IONS; LANTHANIDES; POTENTIOMETRY; PROTONATION CONSTANTS; PROTONATION ENTHALPIES; PROTONATION REACTIONS; TEMPERATURE EFFECT; TITRATION MICROCALORIMETRY; TRIVALENT ACTINIDES; VARIABLE TEMPERATURE;

ACTINIDES; BODY FLUIDS; LACTIC ACID; LIGANDS; METAL IONS; NEUTRON DETECTORS; ORGANIC ACIDS; PROTONATION; RARE EARTH ELEMENTS; TEMPERATURE; THERMAL LOGGING; TITRATION;

COMPLEXATION;

EID: 77956204787     PISSN: 01496395     EISSN: 15205754     Source Type: Journal    
DOI: 10.1080/01496395.2010.494712     Document Type: Article

References (12)

1. Weaver, B.; Kappelman, F.A. (1964) TALSPEAK, A new method of separating americium and curium from the lanthanides by extraction from an aqueous solution of an aminopolyacetic acid complex with a monoacidic organophosphate or phosphonate. ORNL-3559, August
2. Weaver, B.; Kappelmann, F.A. (1968) Preferential extraction of lanthanides over trivalent actinides by monoacidic organophosphates from carboxylic acids and from mixtures of carboxylic and aminopolyacetic acids. J. Inorg. Nucl. Chem., 30: 263.
3. Nilsson, M.; Nash, K.L. (2009) Trans-lanthanide extraction studies in the TALSPEAK system: Investigating the effect of acidity and temperature. Solvent Extraction & Ion Exchange, 27: 354-377.
4. Nilsson, M.; Nash, K.L. (2007) A review of the development and operational characteristics of the TALSPEAK process. Solvent Extraction & Ion Exchange, 25 (6): 665-702.
5. Zanonato, P.; Di Bernardo, P.; Bismondo, A.; Liu, G.; Chen, X.; Rao, L. (2004) Hydrolysis of uranium (VI) at variable temperature (10-85_C). J. Am. Chem, Soc., 126: 5515.
6. Gans, P.; Sabatini, A.; Vacca, A. (1996) Investigation of equilibria in solution. Determination of equilibrium constants with the HYPERQUAD suite of programs. Talanta, 43: 1739.
7. Smith, R.; Zanonato, P.; Choppin, G.R. (1992) An elevated-temperature titration calorimeter. J. Chem. Thermodyn., 24: 99-106.
8. Rao, L.; Srinivasan, T.G.; Garnov, A.Yu.; Zanonato, P.; Di Bernardo, P.; Bismondo, A. (2004) Hydrolysis of neptunium(V) at variable temperatures (10-85 C). Geochim. Cosmochim. Acta, 68: 4821-4830.
9. Arnek, R. (1970) High-speed computers as a supplement to graphical methods. 11. application of LETGROP to calorimetric titrations. Arkiv Kemi, 32: 81-88.
10. NIST Standard Reference Database 46: NIST Critically Selected Stability Constants of Metal Complexes Database, Version 8.0, U.S. Department of Commerce, 2004
11. Hummel, W.; Anderegg, G.; Puigdomènech, I.; Rao, L.; Tochiyama, O. (2005) Chemical Thermodynamics of Compounds and Complexes of: U, Np, Pu, Am, Tc, Zr, Ni and Se with Selected Organic Ligands, Mompean, F.J.; Illemassene, M., Perrone, J., eds.; Amsterdam: Elsevier B.V
12. Rao, L.; Garnov, A.Yu.; Rai, D.; Xia, Y.; Moore, R.C. (2004) Protonation and complexation of isosaccharinic acid with U(VI) and Fe(III) in acidic solutions: Potentiometric and calorimetric studies. Radiochim. Acta, 92: 575-581.