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Determination of the stability constants of nitrate complexes of Np(V) and Pu(V) using CE-ICP-MS
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Sylvain Topin
Veröffentlicht/Copyright:
19. April 2010
Abstract
The interactions of pentavalent Np and Pu with nitrate ligands has been investigated in perchlorate/nitrate media by capillary electrophoresis-inductively coupled plasma mass spectrometry (CE-ICP-MS). The binding constant for the complex PuO2NO3, log10βPuO2NO3°=0.14±0.14, is established for the first time while a new value for NpO2NO3, log10βNpO2NO3°=0.13± 0.14, is proposed. The usual analogy applied between Np(V) and Pu(V) interactions seems to be valid for nitrates.
Published Online: 2010-04-19
Published in Print: 2010-02
© by Oldenbourg Wissenschaftsverlag, München, Germany
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Artikel in diesem Heft
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- Complexation of plutonium(IV) with fluoride at variable temperatures
- Determination of the stability constants of nitrate complexes of Np(V) and Pu(V) using CE-ICP-MS
- Nanoscale UO2 and novel complex U(IV)-sulphate phase formation from electrolytically reduced uranyl sulphate solutions
- Method validation in solvent extraction for 210Po determination from groundwaters
- Random coincidence summing of gamma rays and dead time count loss corrections in HPGe-detector based gamma ray spectrometry
- Chemical effects of neutron irradiation on germanium thiocompounds
- Development of [111In]-DTPA-buserelin for GnRH receptor studies
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Schlagwörter für diesen Artikel
Pentavalent actinide;
Hyphenated technique;
Nitrate;
Plutonium;
Neptunium
Artikel in diesem Heft
- A new value of 93Zr half-life
- Complexation of plutonium(IV) with fluoride at variable temperatures
- Determination of the stability constants of nitrate complexes of Np(V) and Pu(V) using CE-ICP-MS
- Nanoscale UO2 and novel complex U(IV)-sulphate phase formation from electrolytically reduced uranyl sulphate solutions
- Method validation in solvent extraction for 210Po determination from groundwaters
- Random coincidence summing of gamma rays and dead time count loss corrections in HPGe-detector based gamma ray spectrometry
- Chemical effects of neutron irradiation on germanium thiocompounds
- Development of [111In]-DTPA-buserelin for GnRH receptor studies
- Determination of rare earth and other trace impurities in high purity gadolinium oxide
