Micro-separation of palladium by extraction of its complex with o-phenanthroline into chloroform

Chhakkar, Anoop Kumar; Kakkar, L. R.

doi:10.1007/bf00322793

Fresenius J Anal Chem

1990

DOI: 10.1007/bf00322793

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Micro-separation of palladium by extraction of its complex with o-phenanthroline into chloroform

Anoop Kumar Chhakkar

L. R. Kakkar

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2024

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Cited by 2 publications

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Extraction and Complexation of Fission Products with Unsymmetrical Phenanthroline Diamide Ligands from Simulated High-Level Liquid Waste

Wang,

Yang,

Xiao

2024

Inorg. Chem.

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The extraction performance and complexation properties between some typical fission products (FPs) with phenanthroline-based ligands N 2 ,N, 2 N 9triethyl-N 9 -tolyl-1,10-phenanthroline-2,9-dicarboxamide (DE-ET-DAPhen) and N 2 -ethyl-N, 9 N 9 -dioctyl-N 2 -tolyl-1,10-phenanthroline-2,9-dicarboxamide (DO-ET-DAPhen) were described in this work. The low distributions of Ln(III) observed in the solvent extraction study showed the potential of the ligands for the separation of actinides and lanthanides in high-level liquid waste (HLLW). Further extraction studies on other FPs showed that the ligands could efficiently extract Pd(II) and Cd(II) using n-octanol as a diluent. Various methods including slope analysis, 1 H NMR titration, UV−vis spectroscopic titration, and single-crystal Xray diffraction were adopted to explore the complexation behavior of the ligands with target metal ions. The complexation study results indicated that the ligands formed 1:1 complexes with Ln(III) in single-phase solutions, while 1:1 and 2:1 complexes with Cd(II) and Pd(II) were detected. Meanwhile, the stability constants (log β) of the complexes measured through UV−vis spectroscopic titration were reported. According to the diffraction data of the single crystals, the complex structures of [Ln(DE-ET-DAPhen)(NO 3 ) 3 ] (Ln = La, Tb, and Lu) and [Cd 2 (DE-ET-DAPhen) 2 (NO 3 ) 4 ] were proposed. The systematic study of the extraction and interaction between some typical FPs with the ligands provides a comprehensive understanding of the ligands' properties, which contribute to the development of the application process of the ligands in the reprocessing of HLLW.

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Extraction and Complexation of Fission Products with Unsymmetrical Phenanthroline Diamide Ligands from Simulated High-Level Liquid Waste

Wang,

Yang,

Xiao

2024

Inorg. Chem.

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Isobaric yields and radiochemistry of near-target residues in the interaction of¹²C and¹⁶O with¹⁰³Rh at an incident energy of 400 MeV

Buthelezi

Aardaneh²,

Steyn

et al. 2003

Journal of Radioanalytical and Nuclear Chemistry

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Micro-separation of palladium by extraction of its complex with o-phenanthroline into chloroform

Cited by 2 publications

References 6 publications

Extraction and Complexation of Fission Products with Unsymmetrical Phenanthroline Diamide Ligands from Simulated High-Level Liquid Waste

Extraction and Complexation of Fission Products with Unsymmetrical Phenanthroline Diamide Ligands from Simulated High-Level Liquid Waste

Isobaric yields and radiochemistry of near-target residues in the interaction of¹²C and¹⁶O with¹⁰³Rh at an incident energy of 400 MeV

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Micro-separation of palladium by extraction of its complex with o-phenanthroline into chloroform

Cited by 2 publications

References 6 publications

Extraction and Complexation of Fission Products with Unsymmetrical Phenanthroline Diamide Ligands from Simulated High-Level Liquid Waste

Extraction and Complexation of Fission Products with Unsymmetrical Phenanthroline Diamide Ligands from Simulated High-Level Liquid Waste

Isobaric yields and radiochemistry of near-target residues in the interaction of12C and16O with103Rh at an incident energy of 400 MeV

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Isobaric yields and radiochemistry of near-target residues in the interaction of¹²C and¹⁶O with¹⁰³Rh at an incident energy of 400 MeV