A novel inductively coupled plasma atomic emission spectrometry method for uranium isotope ratio measurements using chemometric techniques

A novel inductively coupled plasma atomic emission spectrometry method for uranium isotope ratio measurements using chemometric techniques

Inductively coupled plasma atomic emission spectrometry was applied for uranium isotope ratio measurement. Even high resolution spectrometers cannot resolve small isotopic shift between 235 U and 238 U emission lines. Multivariate calibration techniques are useful tools for overcoming spectral overl...

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Veröffentlicht in:Journal of analytical atomic spectrometry 2010-10, Vol.25 (1), p.1659-166
Hauptverfasser: Mahani, Mohamad Khayatzadeh, Khanchi, Ali Reza, Heidari, Mehdi, Ahmadi, Afsaneh
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container_title Journal of analytical atomic spectrometry
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creator Mahani, Mohamad Khayatzadeh
Khanchi, Ali Reza
Heidari, Mehdi
Ahmadi, Afsaneh
description Inductively coupled plasma atomic emission spectrometry was applied for uranium isotope ratio measurement. Even high resolution spectrometers cannot resolve small isotopic shift between 235 U and 238 U emission lines. Multivariate calibration techniques are useful tools for overcoming spectral overlap. The emission spectra of natural and depleted uranium samples were modelled by the laboratory written PLS-2 program (according to PLS algorithm). Four factors were selected as the optimum number of factors. The PLS model was applied on an independent test set. The results were validated by thermal ionization mass spectrometry (TIMS). A good agreement between the predicted results from the PLS-2 model and the TIMS results were obtained. Inductively coupled plasma atomic emission spectrometry was applied for uranium isotope ratio measurement.
doi_str_mv 10.1039/c004761a
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title A novel inductively coupled plasma atomic emission spectrometry method for uranium isotope ratio measurements using chemometric techniques
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