AMS analysis of 129I in Japanese soil samples collected from background areas far from nuclear facilities

Muramatsu, Yasuyuki; Takada, Yukari; Matsuzaki, Hiroyuki; Yoshida, Satoshi

doi:10.1016/j.quageo.2007.08.002

Cited by 98 publications

(68 citation statements)

References 19 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…[9][10][11] However, there are few facilities equipped to carry out this analysis, and the opportunity of applying this method to large numbers of samples is limited.…”

Section: Introductionmentioning

confidence: 99%

Determination of 129I in Fukushima Soil Samples by ICP-MS with an Octopole Reaction System

et al. 2013

Self Cite

View full text Add to dashboard Cite

show abstract

“…[9][10][11] However, there are few facilities equipped to carry out this analysis, and the opportunity of applying this method to large numbers of samples is limited.…”

Section: Introductionmentioning

confidence: 99%

Determination of 129I in Fukushima Soil Samples by ICP-MS with an Octopole Reaction System

et al. 2013

Self Cite

View full text Add to dashboard Cite

show abstract

“…Samples for measurements of 129 I activity and 129 I/ 127 I ratios were prepared following Muramatsu et al [10] and analyzed using an accelerator mass spectrometer (AMS) configured by Matsuzaki et al [11]. Dried SS samples ( 0.5 g) were combusted with V 2 O 5 at 1000 ı C in a quartz tube for 30 min under a constant flow of pure O 2 and water vapor.…”

Section: Methodsmentioning

confidence: 99%

Migration Behavior of Particulate 129I in the Niida River System

Matsunaka

Sasa

Sueki

et al. 2016

Radiological Issues for Fukushima’s Revitalized Future

Self Cite

View full text Add to dashboard Cite

show abstract

“…Pyrohydrolysis is a simple alternative for decomposition of organic 7,19,31,33 and inorganic [34][35][36] materials when halogens determination is intended. The main advantages are the possibility of matrix separation and the use of a diluted alkaline solution for analytes absorbing.…”

Section: Introductionmentioning

confidence: 99%

“…7,33 According to the literature, usually the use of an accelerator is necessary for halogens release from inorganic sample matrixes. 7,24,33,36 However, for other samples, like coal and petroleum coke, halogens are released without any auxiliary reagent. 19,33,38 Figure 2.…”

mentioning

confidence: 99%

Determination of bromine, fluorine and iodine in mineral supplements using pyrohydrolysis for sample preparation

Taflik

Duarte

Flores

et al. 2012

J. Braz. Chem. Soc.

View full text Add to dashboard Cite

Neste trabalho foi utilizada a piroidrólise para a decomposição de suplemento mineral utilizado na nutrição animal, para a posterior determinação de F, Br e I. Flúor foi determinado por potenciometria utilizando eletrodo íon-seletivo para fluoreto, enquanto que Br e I foram determinados por espectrometria de massa com plasma indutivamente acoplado. Os principais parâmetros que influenciam a piroidrólise foram investigados e, após a devida avaliação dos mesmos, foram fixadas as seguintes condições: a temperatura do reator em 1000 °C durante 10 min; a proporção entre a massa de amostra e a massa de acelerador em 1 + 5 e a vazão do gás carreador em 200 mL min -1 . A exatidão do método foi avaliada usando teste de recuperação do analito e análise de materiais de referência certificados de rocha fosfática e de solo. O método foi aplicado para análise de suplemento mineral. Os limites de quantificação foram de 16, 0,3 e 0,07 µg g -1 para F, Br e I, respectivamente. Assim, usando-se um método relativamente simples e de baixo custo é possível a decomposição de até 5 amostras por hora. Portanto, a piroidrólise pode ser usada como um método de rotina para o preparo de amostra de suplemento mineral para a determinação de F, Br e I.Pyrohydrolysis was employed for mineral supplements decomposition prior to F, Br and I determination. Fluoride determination was carried out by potentiometry using a fluoride-ion selective electrode, whereas Br and I were determined by inductively coupled plasma mass spectrometry. The main parameters that influence on pyrohydrolysis were investigated. After evaluation, the following conditions were established: reactor temperature of 1000 °C during 10 min; sample plus accelerator mass ratio of 1 + 5 and carrier gas (air) flow rate of 200 mL min -1 . The accuracy of the proposed method was evaluated by analyte recovery tests and analysis of certified reference materials of phosphate rock and soil. Commercial mineral supplement samples were analyzed. The limits of quantification were 16, 0.3 and 0.07 µg g -1 for F, Br and I, respectively. By using a relatively simple and low cost pyrohydrolysis system up to 5 samples can be processed per hour. The developed sample preparation procedure can be routinely employed for F, Br and I determination in mineral supplements. Keywords: pyrohydrolysis, halogens determination, mineral supplement IntroductionSeveral elements are essential for animals growing and breeding. Those elements required in high amounts are called macronutrients (Ca, Cl, K, P, Mg, Na, and S) and those elements required in low concentrations are called micronutrients (Co, Cu, Fe, I, Mn, Mo, Se, Zn, and eventually Cr and F are included in this group). 1 The main functions of essential elements in the organism are associated to the structural composition of body and enzymatic and hormonal processes.Although F usually increases the strength of bones and teeth, this element is generally not considered as essential. 1 Fluorine is usually present as a contaminant since it is Taflik et al. 489 ...

show abstract

AMS analysis of 129I in Japanese soil samples collected from background areas far from nuclear facilities

Cited by 98 publications

References 19 publications

Determination of 129I in Fukushima Soil Samples by ICP-MS with an Octopole Reaction System

Determination of 129I in Fukushima Soil Samples by ICP-MS with an Octopole Reaction System

Migration Behavior of Particulate 129I in the Niida River System

Determination of bromine, fluorine and iodine in mineral supplements using pyrohydrolysis for sample preparation

Contact Info

Product

Resources

About