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Richard E. Wilson, Yung-Jin Hu, Heino Nitsche

Detection and quantification of Pu(III, IV, V, and VI) using a 1.0-meter liquid core waveguide

Detection and quantification of the aquo ions of Pu in 1 M HClO₄ was carried out using a 1-meter liquid core waveguide (LCW) coupled to a fiber optic UV-Vis spectrometer. Detection limits of 7×10^-7 M for Pu(VI), 1.6×10^-5 M for Pu(V), 5×10^-6 M for Pu(IV) and 8×10^-6 M for Pu(III) were achieved. The limits of detection represent increases of 18 to 33 times those achievable using a conventional 1-cm path length. Because of the much lower detection limits of the LCW, routine identification of the oxidation states in dilute Pu solutions can be made.

Radiochimica Acta, Oldenbourg Wissenschaftsverlag

Print ISSN: 0033-8230
Volume: 93, 04/2005
Pages: 203 - 206

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