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Application of Capillary Electrophoresis with Laser-induced Fluorescence Detection for the Determination of Trace Neodymium in Spent Nuclear Fuel Using Complexation with an Emissive Macrocyclic Polyaminocarboxylate Probe

A simple and rapid method with low radiation exposure risk was developed for the determination of neodymium in spent nuclear fuel by capillary electrophoresis with laser-induced fluorescence detection using a fluorescent probe having a macrocyclic hexadentate polyaminocarboxylate structure. The conc...

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Bibliographic Details
Published in:Analytical Sciences 2014/07/10, Vol.30(7), pp.773-776
Main Authors: HARAGA, Tomoko, SAITO, Shingo, SATO, Yoshiyuki, ASAI, Shiho, HANZAWA, Yukiko, HOSHINO, Hitoshi, SHIBUKAWA, Masami, ISHIMORI, Ken-ichiro, TAKAHASHI, Kuniaki
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Language:English
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Summary:A simple and rapid method with low radiation exposure risk was developed for the determination of neodymium in spent nuclear fuel by capillary electrophoresis with laser-induced fluorescence detection using a fluorescent probe having a macrocyclic hexadentate polyaminocarboxylate structure. The concentration of Nd(III) in a spent nuclear fuel sample was determined with no interference from various matrix elements, including lanthanides and uranium (at a 200-fold excess), with 92 ± 3% recovery. This is due to high resolution based on establishing a ternary complex equilibrium during migration in which the hydroxyl ion plays an auxiliary role (log KLn–L–OH = 3.9 – 5.3).
ISSN:0910-6340
1348-2246
DOI:10.2116/analsci.30.773