Activity ratios of 137Cs, 90Sr and 239+240Pu in environmental samples

Bossew, Peter; Lettner, Herbert; Hubmer, Alexander; Erlinger, C.; Gastberger, M.

doi:10.1016/j.jenvrad.2007.02.008

Cited by 32 publications

(18 citation statements)

References 15 publications

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“…However, the ratios Sr(Ch)/ Cs(Ch), Sr(g)/Cs(g), Sr(Ch)/Pu(Ch) and Sr(g)/Pu(g) can be calculated by linear regression of isotopic ratios and Sr/Cs(Ch) against Cs(g)/Cs(Ch) and Sr/Pu(Ch) against Pu(g)/Pu(Ch). Derivations of the equations and details of the method are published in Bossew et al (2007). Perkins and Thomas (1980).…”

Section: Plutoniummentioning

confidence: 99%

“…the traditional Gaussian method) are not unbiased estimates in this case. The theory of regression dilution deals with correcting such bias (some references given in Bossew et al, 2007); for this study we decided to ignore the problem, since due to the data situation, which anyway results in estimates with rather large uncertainties, additional minor errors can be neglected, as we believe.…”

Section: Caesium -Plutoniummentioning

confidence: 99%

“…In order to estimate the ratios 90 Sr(Ch)/ 137 Cs(Ch), 90 Sr(g)/ 137 Cs(g), and the analogous ratios Sr/Pu, we use the method proposed in Bossew et al (2007). This involves linear regression of ratios 90 Sr/ 137 Cs(Ch) against ratios 137 Cs(g)/ 137 Cs(Ch), and in analogy for Pu ratios.…”

Section: Strontium-90mentioning

confidence: 99%

See 2 more Smart Citations

Accumulation of anthropogenic radionuclides in cryoconites on Alpine glaciers

Tieber

Lettner

Bossew

et al. 2009

Journal of Environmental Radioactivity

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Section: Plutoniummentioning

confidence: 99%

Section: Caesium -Plutoniummentioning

confidence: 99%

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Accumulation of anthropogenic radionuclides in cryoconites on Alpine glaciers

Tieber

Lettner

Bossew

et al. 2009

Journal of Environmental Radioactivity

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“…For several decades, liquid-liquid extraction and ion exchange chromatography were the best approaches [2,11]. Although these methods are still used [10,12,13], most of the recent methodologies are based on extraction chromatography resins using Eichrom Ò TEVA for Pu and TRU for Am [14][15][16]. Using these extraction chromatographic resins considerably reduces the time and reagent volumes required for the analysis [17].…”

Section: Introductionmentioning

confidence: 99%

A new method for the determination of plutonium and americium using high pressure microwave digestion and alpha-spectrometry or ICP-SMS

Luisier

Corcho-Alvarado

Steinmann

et al. 2009

J Radioanal Nucl Chem

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Plutonium and americium are radionuclides particularly difficult to measure in environmental samples because they are a-emitters and therefore necessitate a careful separation before any measurement, either using radiometric methods or ICP-SMS. Recent developments in extraction chromatography resins such as Eichrom Ò TRU and TEVA have resolved many of the analytical problems but drawbacks such as low recovery and spectral interferences still occasionally occur. Here, we report on the use of the new Eichrom Ò DGA resin in association with TEVA resin and high pressure microwave acid leaching for the sequential determination of plutonium and americium in environmental samples. The method results in average recoveries of 83 ± 15% for plutonium and 73 ± 22% for americium (n = 60), and a less than 10% deviation from reference values of four IAEA reference materials and three samples from intercomparisons exercises. The method is also suitable for measuring 239 Pu in water samples at the lBq/l level, if ICP-SMS is used for the measurement.

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“…However, many researchers found that cysteine is an effective agent for enhancing the discharge of some metals from soil. Pseudomonas putida (soil bacterium) has been used to find out caesium adsorption and other elements and their pressure on the movement of metals in soils (Bossew, Lettner, Hubmer, Erlinger, & Gastberger, 2007). The investigators suggest that adsorption as a function of pH and ionic strength for low metal concentrations.…”

Section: Microbiological Effectmentioning

confidence: 99%

Radiocaesium contaminated sites and possible techniques for remediation

Khan

Noor

2017

Geology, Ecology, and Landscapes

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Radiocaesium being very soft, lustrous, and highly reactive metal is very harmful if present in large quantity in the environment. Here in this chapter, we will discuss the contaminated sites and possible remediation methods of radiocaesium just to eliminate from ecosystem and make our planet green and peaceful. Lots of radionuclides released not only to atmosphere but also into the oceans, rivers, lakes, and other water bodies after global fallout, Chernobyl accident, giant tsunami, and Fukushima nuclear power plant accident in 2011. It damaged all the living on terrestrial and aquatic ecosystems. Many attempts have been taken into account to reduce its dangerous effects but still world is facing this enigma. Many polluted sites and treatments have been discussed in detail.

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Activity ratios of 137Cs, 90Sr and 239+240Pu in environmental samples

Cited by 32 publications

References 15 publications

Accumulation of anthropogenic radionuclides in cryoconites on Alpine glaciers

Accumulation of anthropogenic radionuclides in cryoconites on Alpine glaciers

A new method for the determination of plutonium and americium using high pressure microwave digestion and alpha-spectrometry or ICP-SMS

Radiocaesium contaminated sites and possible techniques for remediation

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