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Synthesis and characteristics of double Np(VI) and Pu(VI) phthalates of the composition M2AnO2(C8H4O4)2·nH2O (M = NH4, K, and Cs)

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Abstract

Double salts of o-phthalic acid of the general composition M2AnO2(C8H4O4)2 nH2O (M = NH4, K, Cs and An = Pu, Np) were isolated from neutral aqueous solutions. The composition was determined by chemical analysis. The compounds were characterized by powder X-ray diffraction, and unit cell parameters of some salts were determined from the powder X-ray patterns. The optical absorption spectra of the crystal-line plutonium compounds were measured. Thermal behavior in heating to 800°C in air was studied. The differences in the behavior of U, Np, and Pu compounds under similar conditions were noted.

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References

  1. Krot, N.N., Bessonov, A.A., Grigor’ev, M.S., et al., Radiokhimiya, 2004, vol. 46, no. 5, pp. 389–395.

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Authors and Affiliations

  1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow, Russia

    N. N. Krot, I. A. Charushnikova, A. A. Bessonov & M. S. Grigor’ev

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  1. N. N. Krot
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  2. I. A. Charushnikova
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  3. A. A. Bessonov
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  4. M. S. Grigor’ev
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Additional information

Original Russian Text N.N. Krot, I.A. Charushnikova, A.A. Bessonov, M.S. Grigor’ev, 2007, published in Radiokhimiya, 2007, Vol. 49, No. 3, pp. 202–206.

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Krot, N.N., Charushnikova, I.A., Bessonov, A.A. et al. Synthesis and characteristics of double Np(VI) and Pu(VI) phthalates of the composition M2AnO2(C8H4O4)2·nH2O (M = NH4, K, and Cs). Radiochemistry 49, 229–236 (2007). https://doi.org/10.1134/S1066362207030034

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  • DOI: https://doi.org/10.1134/S1066362207030034

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