Separation and inductively coupled plasma optical emission spectrometric (ICP-OES) determination of trace impurities in nuclear grade uranium oxide

Satyanarayana, K.; Durani, Smeer

doi:10.1007/s10967-010-0591-8

Cited by 52 publications

(52 citation statements)

References 14 publications

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“…Therefore, to satisfy the fuel specifications, before putting the fuel in the reactor, determinations of trace and major elements present in it are required. [1][2][3] For the determination of low-Z elements at trace level, not many techniques are available. Only a few techniques for the determination of low-Z elements are reported in the literature.…”

Section: Introductionmentioning

confidence: 99%

Improved approach for the determination of low‐Z elements in uranium samples using a vacuum chamber TXRF spectrometer

2017

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Total reflection X-ray fluorescence (TXRF) method for the determination of low atomic number (Z) elements Na (Z = 11) to Ca (Z = 20) using Cr Kα excitation, vacuum atmosphere sample chamber, and ultrathin window detector of a low Z-high Z TXRF spectrometer has been developed. The earlier reported problem in determination of Al, due to interference of U Mα escape peak with Al Kα, was taken care by more intense solvent extraction-based separation of uranium matrix from the sample solutions. Any dissolved tri-n-butyl phosphate having traces of uranium left after solvent extraction was removed from the sample solutions by equilibrating with n-dodecane. This approach resulted in the betterment of analytical results. The method developed was validated by analyzing three Certified Reference Materials for trace metals in uranium oxide, developed by Department of Atomic Energy, Government of India. The TXRF determined results were found to have an average precision of 8.0% (1σ, n = 3) and the average deviation of the TXRF determined values from the certified concentrations was 7.3%.

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Section: Introductionmentioning

confidence: 99%

Improved approach for the determination of low‐Z elements in uranium samples using a vacuum chamber TXRF spectrometer

2017

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“…However, the "cold" research is the necessary step before the "hot" test and real spent fuel reprocessing. In this step, the simulated feed solution containing stable isotopes of FPs without radioactivity is used, so the spectroscopic methods including atomic emission spectrometry (AES) 2,5 and mass spectrometry (MS) [6][7][8] are usually available for determination of trace FPs. Among these methods, inductively coupled plasma mass spectrometry (ICP-MS) has attracted special attention due to its simultaneous measurement capability, wide analytical dynamic range and high sensitivity.…”

Section: Introductionmentioning

confidence: 99%

Determination of Trace Fission Products Associated with Thorium and HCl Matrix by Inductively Coupled Plasma Mass Spectrometry after Anion Exchange Separation

Chen

Zheng

et al. 2017

ANAL. SCI.

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For the determination of μg-mg L -1 of FPs in 100 g L -1 of thorium matrix with HCl medium, a method, including anionexchange pre-separation, evaporation and inductively coupled plasma mass spectrometry (ICP-MS) measurement, was developed. The procedure parameters, such as the matrix effect of thorium, the acidity of separation, the elution curve of thorium and FPs and the temperature of evaporation were optimized by batch equilibration, column elution and evaporation experiments. It was found that the average recovery of the FPs was in the range 80 -110%, and the RSD values were in the range 2 -15% utilizing prior anion exchange separation of FPs from thorium samples. Furthermore, the detection limit of the method was also investigated.

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“…No que tange a fiabilidade do combustível, a caracterização química combinada com proteção ambiental é muito importante no ciclo de produção de urânio ou do ciclo do combustível nuclear, sujeito a um número crescente de convenções e protocolos internacionais (Souza et al, 2012 (IAEA, 1999, Reis et al, 2009Satyanarayana et al, 2010, Souza et al, 2012.…”

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“…Esses procedimentos são relativamente demorados e dispendiosos, além disso, produzem resíduos e efluentes, os quais necessitam de atenção especial, por se tratar de material nuclear (Satyanarayana et al, 2010).…”

Section: Páginaunclassified

“…Cada método tem vantagens e desvantagens em relação às interferências espectrais, à acurácia, ao custo, ao tipo de amostra (sólido ou líquido) e ao equipamento utilizado nas análises. Para a aplicabilidade do método, deve-se levar em consideração o limite de detecção, os passos da separação da matriz e a pré-concentração (Satyanarayana et al, 2010;Souza. et al, 2012).…”

Section: Objetivosunclassified

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Aplicação da quimiometria para caracterização química de combustíveis tipo MTR por fluorescência de raios X

Silva¹

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Separation and inductively coupled plasma optical emission spectrometric (ICP-OES) determination of trace impurities in nuclear grade uranium oxide

Cited by 52 publications

References 14 publications

Improved approach for the determination of low‐Z elements in uranium samples using a vacuum chamber TXRF spectrometer

Improved approach for the determination of low‐Z elements in uranium samples using a vacuum chamber TXRF spectrometer

Determination of Trace Fission Products Associated with Thorium and HCl Matrix by Inductively Coupled Plasma Mass Spectrometry after Anion Exchange Separation

Aplicação da quimiometria para caracterização química de combustíveis tipo MTR por fluorescência de raios X

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