Comparison of univariate and multivariate data analysis models for uranium quantification in Trombay historical nuclear waste glass
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Manjeet Singh
Abstract
Laser induced breakdown spectroscopy recently has been investigated for analysis of nuclear waste glass for uranium quantification. The initial obtained accuracy and precision was ~15%. In this paper, we have compared the analytical merit of the univariative and multivariative PLSR regression models for the determination of U in barium borosilicate simulated waste glass containing significant amount of U. The analytical merit of a Czerny-Turner spectrograph with high spectral resolution and Echelle spectrograph with broadband spectrum recording capacity were compared using spectra simultaneously record from the same plasma. For univariative calibration the superiority of Czerny-Turner spectrograph over the Echelle has been demonstrated here. Multivariative chemometric PLSR model was found to drastically improve the results. It was also observed that selection of spectral window for analysis significantly affects the analytical merit of multivariative analysis. Echelle though shows relatively inferior analytical merit, but by applying Analytical spectral dependant PLSR in Echelle spectra, a much higher degree of improvement was observed. Using ASD-PLSR and Czerny-Turner spectrograph generated spectra an accuracy and precision of 2–2.5% was achieved in this study.
Acknowledgment
The authors are thankful to Dr. S. Kannan, Head, Fuel Chemistry Division B.A.R.C. for his constant support and encouragement in LIBS work.
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©2018 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Adsorption behavior of U(VI) on doped polyaniline: the effects of carbonate and its complexes
- Comparison of univariate and multivariate data analysis models for uranium quantification in Trombay historical nuclear waste glass
- Efficient decontamination of naturally occurring radionuclide from aqueous carbonate solutions by ion flotation process
- Partitioning of Cs+ and Na+ ions by dibenzo-18-crown-6 ionophore in biphasic aqueous systems of octanol and ionic liquid
- Isolation of high purity 73Se using solid phase extraction after selective 4,5-[73Se]benzopiazselenol formation with aminonaphthalene
- Production, quality control, biodistribution and imaging studies of 177Lu-PSMA-617 in breast adenocarcinoma model
- Assessment of rare earth elements, Th and U profile of a site for a potential coal based power plant by instrumental neutron activation analysis
- Neutron activation analysis of major and trace elements in Arabica and Robusta coffee beans samples consumed in Algeria
Artikel in diesem Heft
- Frontmatter
- Adsorption behavior of U(VI) on doped polyaniline: the effects of carbonate and its complexes
- Comparison of univariate and multivariate data analysis models for uranium quantification in Trombay historical nuclear waste glass
- Efficient decontamination of naturally occurring radionuclide from aqueous carbonate solutions by ion flotation process
- Partitioning of Cs+ and Na+ ions by dibenzo-18-crown-6 ionophore in biphasic aqueous systems of octanol and ionic liquid
- Isolation of high purity 73Se using solid phase extraction after selective 4,5-[73Se]benzopiazselenol formation with aminonaphthalene
- Production, quality control, biodistribution and imaging studies of 177Lu-PSMA-617 in breast adenocarcinoma model
- Assessment of rare earth elements, Th and U profile of a site for a potential coal based power plant by instrumental neutron activation analysis
- Neutron activation analysis of major and trace elements in Arabica and Robusta coffee beans samples consumed in Algeria
