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Title of Journal: J Solution Chem

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Abbravation: Journal of Solution Chemistry

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Springer US

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DOI

10.1007/978-3-642-03904-1_78

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1572-8927

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Complexation of AmIII and NdIII by 110Phenan

Authors: Mark D Ogden Serguei I Sinkov Mikael Nilson Gregg J Lumetta Robert D Hancock Kenneth L Nash
Publish Date: 2012/12/27
Volume: 42, Issue: 1, Pages: 211-225
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Abstract

The complexant 110phenanthroline29dicarboxylic acid PDA is a planar tetradentate ligand that is more preorganized for metal complexation than its unconstrained analogue ethylendiiminodiacetic acid EDDA Furthermore the backbone nitrogen atoms of PDA are aromatic hence are softer than the aliphatic amines of EDDA It has been hypothesized that PDA will selectively bond to trivalent actinides over lanthanides In this report the results of spectrophotometric studies of the complexation of NdIII and AmIII by PDA are reported Because the complexes are moderately stable it was necessary to conduct these titrations using competitive equilibrium methods competitive cation complexing between PDA and diethylenetriaminepentaacetic acid and competition between ligand protonation and complex formation Stability constants and ligand protonation constants were determined at 01 mol·L−1 ionic strength and at 05 mol·L−1 ionic strength nitrate media at 21 ± 1 °C The stability constants are lower than those predicted from first principles and speciation calculations indicate that Am3+ selectivity over Nd3+ is less than that exhibited by 110phenanthroline

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  2. Modified Screen-Printed Electrode for Potentiometric Determination of Copper(II) in Water Samples
  3. Inclusion Complexes of Cyclodextrins with Galangin: a Thermodynamic and Reactivity Study
  4. Determination of Activation Energy for the Diffusion of Fe 3+ Ions in Agar Gel Medium Containing Various Transition Metal Sulfates
  5. NMR Study of the Exchange Kinetics of 30-Crown-10 Complexes with Sr 2+ and Ba 2+ Cations and Crystal Structure of the 30-Crown-10 Complex with Barium Perchlorate
  6. A Study of the Excess Properties of Aliphatic Chlorinated Compounds with Benzylalcohol at Various Temperatures
  7. Liquid–Liquid Equilibria of the Methanol + Toluene + Methylcyclohexane Ternary System at 278.15, 283.15, 288.15, 293.15, 298.15 and 303.15 K
  8. Diffusion Coefficients for the Ternary System Water + Chloroform + Acetic Acid at 25 °C
  9. Binding Mechanism of Bioactive Cetirizine Hydrochloride to Sudlow’s Site I of Serum Albumins
  10. Electroluminescent Properties of LECs Based on Ionic Transition Metal Complexes Using Tetrazole-Based Ancillary Ligand
  11. High-Pressure Densities and Derived Volumetric Properties (Excess, Apparent and Partial Molar Volumes) of Binary Mixtures of Methanol + [BMIM][PF 6 ]
  12. Solvent Effects on the Protonation Constants of Some α -Amino Acid Esters in 1,4-Dioxane–Water Mixtures
  13. Lanthanide Complexes with Allyl Acetoacetate in Mixed Water–Organic Media: Formation, Stability and Bonding
  14. A Study on Host–Guest Complexation of 5-Amino-2-Mercaptobenzimidazole with β -Cyclodextrin
  15. The Mixing Enthalpy Interaction Coefficients of N , N ′-Hexamethylenebisacetamide with l -Alanine and l -Serine in Aqueous Glucose Solutions at 298.15 K
  16. Effect of Temperature on Salt–Salt Aqueous Biphasic Systems: Manifestations of Upper Critical Solution Temperature
  17. Studies on Intermolecular Interactions in Liquid Mixtures of Alkoxyalkanols and Branched Alcohols by Volumetric and Acoustic Measurements at Different Temperatures
  18. Li + Transport Mechanism in Oligo(Ethylene Oxide)s Compared to Carbonates
  19. Thermodynamics of concentrated electrolyte mixtures. I. Activity coefficients in aqueous NaCl−CaCl 2 at 25°C
  20. Study of the Association Behavior Between Bromophenol Blue and Octylphenol Polyoxyethylene Ether (10) in Aqueous Solution and the Solubilization of Bromophenol Blue by Micelles
  21. Kinetics and Mechanism of the Reactions Between Triphenylphosphine, Dialkyl Acetylenedicarboxilates and a NH-Acid, Pyrazole, by UV Spectrophotometry
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  23. Volumetric and Transport Properties of Ternary Mixtures Containing 1-Butanol or 1-Pentanol, Triethylamine and Cyclohexane at 303.15 K: Experimental Data, Correlation and Prediction by the ERAS Model
  24. First Hydrolysis Constant of Lutetium (III) by Solvent Extraction
  25. Volumetric Properties of the Nucleoside Thymidine in Aqueous Solution at T = 298.15 K and p = (10 to 100) MPa
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  27. Complexation Studies of Pyridyl Sulfonamide Ligands for Sensing Zinc and Copper Ions
  28. A Thermodynamic Study on the Binding of Cobalt(II) and Iron(III) Ions with Bovine Carbonic Anhydrase II at Different Temperatures
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