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Application of multivariate calibration for simultaneous determination of major and minor constituents in U3Si2 by WDXRF technique

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Abstract

The aim of this work was to implement and to validate the multivariate calibration for simultaneous determination of major and minor constituents in uranium nuclear fuel by WDXRF technique. The method is nondestructive and involves no chemical treatments thus is possible to perform fast chemical analysis and produces no hazardous waste. The precision and accuracy achieved are statistically comparable to others sensitive techniques like ICP-OES for impurities determination.

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Abbreviations

MTR:

Material testing reactor

FP:

Fundamental parameters

SDV:

Singular value decomposition method

NBL:

New brunswick laboratory

IPEN/CNEN-SP:

Instituto de Pesquisas Energéticas e Nucleares

ICP-OES:

Inductively coupled plasma optical emission spectrometry

RMB:

Brazilian multipurpose reactor

FAAS:

Flame atomic absorption spectrometry

PDCA:

Pyridine-2,6-dicarboxylic acid

WDXRF:

Wavelength dispersion X-ray fluorescence

ISO/IEC 17025:

General requirements for the competence of testing and calibration laboratories

CRM:

Reference materials characterized for uranium matrix impurities

RSD:

relative standard deviation

RE:

relative error

Z:

Z-score

LoQ:

Limit of quantification

MATLAB:

Matrix laboratory

PC:

Principal component

PLS:

Partial least square

PCA:

Principal component analysis

References

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Acknowledgments

The authors would like to thank Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq-Edital Universal) n. 479106/2010-0, Brazil; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES-PNPD n. 02889/2009-9), and Comissão Nacional de Energia Nuclear (CNEN), Brazil (PCI n. 680.020/2008-0) for financial support.

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Authors and Affiliations

  1. Instituto de Pesquisas Energéticas e Nucleares, IPEN – CNEN/SP, Av. Prof. Lineu Prestes 2242 – Cidade Universitária, 05508-000, São Paulo, SP, Brazil

    Marcos A. Scapin, Clayton P. Silva, Marycel E. B. Cotrim & Maria Ap. F. Pires

Authors
  1. Marcos A. Scapin
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  2. Clayton P. Silva
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  3. Marycel E. B. Cotrim
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  4. Maria Ap. F. Pires
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Correspondence to Marcos A. Scapin.

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Scapin, M.A., Silva, C.P., Cotrim, M.E.B. et al. Application of multivariate calibration for simultaneous determination of major and minor constituents in U3Si2 by WDXRF technique. J Radioanal Nucl Chem 302, 1077–1085 (2014). https://doi.org/10.1007/s10967-014-3332-6

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  • DOI: https://doi.org/10.1007/s10967-014-3332-6

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