Thermal decomposition of oxalates and nitrates of transplutonium elements by differential thermal analysis

Vasilyev, V. I.; Kalevich, E.S.; Radchenko, V.M.; Shimbarev, E.V.; Egunov, V. P.; Izmalkov, A. N.; Vasilyev, V. Ya.

doi:10.1007/bf02117568

Cited by 4 publications

(1 citation statement)

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“…These include (but are not limited to) time resolved laser fluorescence and luminescence measurements made on Cm III in nitrate containing solutions, 11 , 76 , 77 numerous studies documenting the extraction of Cm III from HNO 3 solutions, 78 – 81 as well as thermal decomposition of Cm III (NO 3 ) 3 . 82 , 83 For Cm we are unaware of EXAFS measurements made in HNO 3 solutions and for Ac the Ac–NO 3 – interaction has not been characterized previously.…”

Section: Discussionmentioning

confidence: 99%

The coordination chemistry of Cm^III, Am^III, and Ac^IIIin nitrate solutions: an actinide L₃-edge EXAFS study

et al. 2018

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Section: Discussionmentioning

confidence: 99%

The coordination chemistry of Cm^III, Am^III, and Ac^IIIin nitrate solutions: an actinide L₃-edge EXAFS study

et al. 2018

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Insights into the Thermal Decomposition of Lanthanide(III) and Actinide(III) Oxalates – from Neodymium and Cerium to Plutonium

et al. 2012

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Lanthanides are often used as surrogates to study the properties of actinide compounds. Their behaviour is considered to be quite similar as they both possess f valence electrons and are close in size and chemical properties. This study examines the potential of using two lanthanides (neodymium and cerium) as surrogates for plutonium during the thermal decomposition of isomorphic oxalate compounds, in the trivalent oxidation state, into oxides. Thus, the thermal decomposition of neodymium, cerium and plutonium(III) oxalates are investigated by several coupled thermal analyses (TG-DTA/DSC-MS/FTIR) and complementary characterisation [a] CEA Marcoule, Nuclear Energy Division, DRCP/SCPS/LC2A, 4986techniques [XRD, UV/Vis and FTIR spectroscopy, scanning electron microscopy (SEM), carbon analysis] under both oxidizing and inert atmospheres. The thermal decomposition mechanisms determined in this study confirmed some previously reported results, among diverging propositions, and also elucidated some original mechanisms not previously considered. The calculated thermodynamic and kinetic parameters for the studied systems under both atmospheres are reported and compared with available literature data. Similarities and differences between the thermal behaviour of plutonium(III) and lanthanide(III) oxalates are outlined.The residual carbon contents in the neodymium and cerium oxides obtained after calcination of the oxalate pre-Eur.

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Thermal decomposition of manganese(II) dicarboxylate anhydrides in various atmospheres

Suzuki

Muraishi²,

Itô

1995

Thermochimica Acta

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Thermal decomposition of oxalates and nitrates of transplutonium elements by differential thermal analysis

Cited by 4 publications

References 3 publications

The coordination chemistry of Cm^III, Am^III, and Ac^IIIin nitrate solutions: an actinide L₃-edge EXAFS study

The coordination chemistry of Cm^III, Am^III, and Ac^IIIin nitrate solutions: an actinide L₃-edge EXAFS study

Insights into the Thermal Decomposition of Lanthanide(III) and Actinide(III) Oxalates – from Neodymium and Cerium to Plutonium

Thermal decomposition of manganese(II) dicarboxylate anhydrides in various atmospheres

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Thermal decomposition of oxalates and nitrates of transplutonium elements by differential thermal analysis

Cited by 4 publications

References 3 publications

The coordination chemistry of CmIII, AmIII, and AcIIIin nitrate solutions: an actinide L3-edge EXAFS study

The coordination chemistry of CmIII, AmIII, and AcIIIin nitrate solutions: an actinide L3-edge EXAFS study

Insights into the Thermal Decomposition of Lanthanide(III) and Actinide(III) Oxalates – from Neodymium and Cerium to Plutonium

Thermal decomposition of manganese(II) dicarboxylate anhydrides in various atmospheres

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The coordination chemistry of Cm^III, Am^III, and Ac^IIIin nitrate solutions: an actinide L₃-edge EXAFS study

The coordination chemistry of Cm^III, Am^III, and Ac^IIIin nitrate solutions: an actinide L₃-edge EXAFS study