Development in fission track-thermal ionization mass spectrometry for particle analysis of safeguards environmental samples

Lee, C. G.; Iguchi, K.; Inagawa, Jun; Suzuki, D.; Esaka, Fumitaka; Magara, Masaaki; Sakurai, S.; Watanabe, Kazuo; Usuda, Shigekazu

doi:10.1007/s10967-007-7102-6

Cited by 6 publications

(6 citation statements)

References 13 publications

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“…Fission track-thermal ionization mass spectrometry (FT-TIMS) (Esaka et al., 2004; Lee et al., 2007) and secondary ionization mass spectrometry (SIMS) (Betti et al., 1999; Ranebo et al., 2009; Tamborini, 2004) are usually applied for the isotopic characterization of single, micrometer-sized particles from safeguards samples (Donohue, 1998). The performance of TIMS in terms of accuracy and precision of isotope ratio measurements is unquestioned (Heumann et al., 1998); however, the need for a nuclear reactor for irradiation (Lee et al., 2007) of the FT detector with thermal neutrons is the main drawback of FT-TIMS.…”

Section: Introductionmentioning

confidence: 99%

“…The performance of TIMS in terms of accuracy and precision of isotope ratio measurements is unquestioned (Heumann et al., 1998); however, the need for a nuclear reactor for irradiation (Lee et al., 2007) of the FT detector with thermal neutrons is the main drawback of FT-TIMS. SIMS offers the advantage of combining the localization of particles collected by means of swipes and the determination of the isotopic information in one instrument (Betti et al., 1999).…”

Section: Introductionmentioning

confidence: 99%

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Direct uranium isotope ratio analysis of single micrometer-sized glass particles

Kappel

Boulyga

Prohaska

2012

Journal of Environmental Radioactivity

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We present the application of nanosecond laser ablation (LA) coupled to a ‘Nu Plasma HR’ multi collector inductively coupled plasma mass spectrometer (MC-ICP-MS) for the direct analysis of U isotope ratios in single, 10–20 μm-sized, U-doped glass particles. Method development included studies with respect to (1) external correction of the measured U isotope ratios in glass particles, (2) the applied laser ablation carrier gas (i.e. Ar versus He) and (3) the accurate determination of lower abundant 236U/238U isotope ratios (i.e. 10−5). In addition, a data processing procedure was developed for evaluation of transient signals, which is of potential use for routine application of the developed method. We demonstrate that the developed method is reliable and well suited for determining U isotope ratios of individual particles. Analyses of twenty-eight S1 glass particles, measured under optimized conditions, yielded average biases of less than 0.6% from the certified values for 234U/238U and 235U/238U ratios. Experimental results obtained for 236U/238U isotope ratios deviated by less than −2.5% from the certified values. Expanded relative total combined standard uncertainties Uc (k = 2) of 2.6%, 1.4% and 5.8% were calculated for 234U/238U, 235U/238U and 236U/238U, respectively.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Direct uranium isotope ratio analysis of single micrometer-sized glass particles

Kappel

Boulyga

Prohaska

2012

Journal of Environmental Radioactivity

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“…Currently, two methods are implemented within the NWAL. The first method is the combination of the Fission Track (FT) technique and of Thermal Ionization Mass Spectrometry (TIMS) [6][7][8]. The FT technique allows locating particles containing fissile nuclei under a flux of thermal neutrons (e.g.…”

Section: Introductionmentioning

confidence: 99%

240Pu/239Pu isotopic ratio measurements in micrometric Pu and MOX particles using Secondary Ion Mass Spectrometry

Diacre

Anne-Laure

Cornaton

et al. 2023

Talanta

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“…14 Transfer of particles was usually aided by a micromanipulator [7][8][9][10][11][12][13] or they were relocated again in the other instrument through a system of ducial marks. 7,12,14 Another common procedure for U-rich particle selection is the ssion track technique, 15 followed by mass spectrometry techniques such as TIMS 16,17 or SIMS 18 or even laser ablationinductively coupled plasma-mass spectrometry (LA-ICP-MS). 19 Particles detected through their ssion tracks were again transferred to a mass spectrometer with the help of both reference points and micromanipulation.…”

Section: Introductionmentioning

confidence: 99%

“…19 Particles detected through their ssion tracks were again transferred to a mass spectrometer with the help of both reference points and micromanipulation. [16][17][18][19] Implementation of the ESS strengthened the necessity of improved nuclear signature measurements. However, it is still under discussion whether chemical species detected in U-particles can be a useful tool in nuclear investigation, especially when it comes to uranyl uoride particles.…”

Section: Introductionmentioning

confidence: 99%

In-SEM Raman microspectroscopy coupled with EDX – a case study of uranium reference particles

Stefaniak

Pointurier

Marie

et al. 2014

Analyst

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Information about the molecular composition of airborne uranium-bearing particles may be useful as an additional tool for nuclear safeguards. In order to combine the detection of micrometer-sized particles with the analysis of their molecular forms, we used a hybrid system enabling Raman microanalysis in high vacuum inside a SEM chamber (SEM-SCA system). The first step involved an automatic scan of a sample to detect and save coordinates of uranium particles, along with X-ray microanalysis. In the second phase, the detected particles were relocated in a white light image and subjected to Raman microanalysis. The consecutive measurements by the two beams showed exceptional fragility of uranium particles, leading to their ultimate damage and change of uranium oxidation state. We used uranium reference particles prepared by hydrolysis of uranium hexafluoride to test the reliability of the Raman measurements inside the high vacuum. The results achieved by the hybrid system were verified by using a standalone Raman microspectrometer. When deposited on exceptionally smooth substrates, uranyl fluoride particles smaller than 1000 nm could successfully be analyzed with the SEM-SCA system.

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Development in fission track-thermal ionization mass spectrometry for particle analysis of safeguards environmental samples

Cited by 6 publications

References 13 publications

Direct uranium isotope ratio analysis of single micrometer-sized glass particles

Direct uranium isotope ratio analysis of single micrometer-sized glass particles

240Pu/239Pu isotopic ratio measurements in micrometric Pu and MOX particles using Secondary Ion Mass Spectrometry

In-SEM Raman microspectroscopy coupled with EDX – a case study of uranium reference particles

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