Seasonal and inter-annual variation of Beryllium-7 deposition in birch-tree leaves and grass in the northeast upland area of the Czech Republic

Pöschl, M.; Brunclík, Tomáš; Hanák, Jaromír

doi:10.1016/j.jenvrad.2010.05.001

Cited by 19 publications

(15 citation statements)

References 26 publications

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“…Ex cept for the sam ples of spruce nee dles from Rila and Kopaonik and twig sam ples from Vlasina, the spe cific ac tiv ity of 7 Be at all other lo ca tions was be low min i mum de tect able ac tiv ity. 7 Be con cen tra tions in the veg e ta tion re flected the chang ing at mo spheric con di tions, mainly pre cip i ta tion [26] that, along with Var i ous con cen tra tions of radionuclide ac tiv ity were found in spring wa ter sam ples. Re search re sults show that in sam ples from LOF Vlasina all radionuclides show a value of ac tiv ity con cen tra tion lower than MDA.…”

Section: Resultsmentioning

confidence: 93%

Natural and artificial radioactivity in some protected areas of south east Europe

Dzoljic

Stevovic

Todorović³

et al. 2017

NUCL TECH RAD PROT

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and En vi ron men tal Pro tec tion, Uni ver sity Un ion-Nikola Tesla, Bel grade, Ser bia 2 In no va tion Cen tre, Fac ulty of Me chan i cal En gi neer ing, Uni ver sity of Bel grade, Bel grade, Ser bia 3 De part ment of Ra di a tion and En vi ron men tal Pro tec tion, Vin~a In sti tute of Nu clear Sci ences, Uni ver sity of Bel grade, Bel grade, Ser bia 4 Min ing In sti tute, L.t.d., Bel grade, Ser bia Sci en tific pa per

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Section: Resultsmentioning

confidence: 93%

Natural and artificial radioactivity in some protected areas of south east Europe

Dzoljic

Stevovic

Todorović³

et al. 2017

NUCL TECH RAD PROT

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“…Foliar uptake is the major source of 7 Be in plants . In this study, we measured the giant butterbur leave part samples separately, that is, leaf blade and petiole, because of its shape.…”

Section: Resultsmentioning

confidence: 99%

“…Foliar uptake is the major source of 7 Be in plants. 48 In this study, we measured the giant butterbur leave part samples separately, that is, leaf blade and petiole, because of its shape. The leaf blade tends to spread horizontally relative to the ground surface, while the petiole grows vertically to it, and we assumed that the petiole part receives a smaller portion of deposited 7 Be compared to leaf blades.…”

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confidence: 99%

Enhancement of Mass Interception Coefficient Data of Radiostrontium by Leafy Crops Using Global Fallout ⁹⁰Sr and Naturally Occurring ⁷Be

Tagami

Uchida

Ishii

et al. 2022

J. Agric. Food Chem.

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When artificial radionuclides are released into the atmospheric environment, one of the important processes by which they affect the human radiation dose is the direct deposition of the radionuclides onto crop surfaces. Because leafy vegetables are consumed while fresh and often raw, the mass interception coefficient [= concentration in food (Bq/kg dry mass (DM) or fresh mass)/total deposition (Bq/m2)] is a key parameter for estimating radionuclide concentrations in crops after the deposition of radionuclides on plant stands. However, such data are still sparse, especially for radiostrontium (89Sr and 90Sr). To enhance the mass interception coefficient data for leafy crops, we used global fallout 90Sr data in leafy crops harvested in 1963–1965 and the deposition data for the corresponding crop growing period. Geometric mean values of the mass interception coefficient of 90Sr for leafy crops were 2.8 m2 kg–1 DM for spinach, 0.60 m2 kg–1 DM for cabbage, and 1.3 m2 kg–1 DM for Chinese cabbage. For comparison, we measured naturally occurring 7Be in giant butterbur leaves, and the results showed that the data were similar to those of 90Sr for spinach. These data were similar to the previously obtained data by single spike radiotracer experiments. Therefore, in the case of nuclear emergency situations, mass interception coefficient data obtained using global fallout 90Sr and/or naturally occurring 7Be should be valuable to estimate radioactivity contamination levels of radiostrontium directly deposited on leafy crops.

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“…An alternative Be separation scheme frequently used for separation of very small amounts of cosmogenic 10 Be uses oxalic acid and 0.5 M HCl (or alternatively 1 M HNO 3 ) instead of 0.3 M HNO 3 and 0.3 M HF to separate Be from matrix elements. 55 This method was designed for rocks, minerals, and water samples and has the advantage that trivalent cations such as Fe 3+ , Al 3+ , and Ti 3+ are eluted first as metal oxalates while Be is TA B L E 3 Instrumental operating parameters for 9 Be analyses with Q-ICP-MS (iCAP, Thermo Fischer Scientific) 9 Be, 27 Al, 48 Ti, 13 C, ( 103 Rh) retained and separated from Na and K with 0.5 M HCl. However, a non-negligible fraction of the Mg elution peak, and small fractions of the K and Ca peak overlap with the Be peak (later separated by hydroxide precipitation).…”

Section: Cation-exchange Chromatographymentioning

confidence: 99%

Quantifying beryllium concentrations in plant shoots from forest ecosystems using cation‐exchange chromatography and quadrupole ICP‐MS

Uhlig

Goldberg

Frick

et al. 2020

Analytical Science Advances

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Beryllium (Be) is known to be one of the most toxic elements but at the same time exerts a stimulating effect on plant growth. Despite this contradiction, little is known about the Be metabolism in living organisms, partially because of the low amounts present and because the analysis of Be in plants by ICP-MS remains challenging. The challenges arise from the complex organic matrix, the low abundance of Be relative to the other plant essential elements, and the matrix effects resulting thereof in the plasma. To address these challenges, we developed and evaluated a new method for Be concentration analysis in plant material. Key is the quantitative separation of Be from the other matrix elements by cation-exchange chromatography. The new method was verified by processing seven reference materials representing different plant matrices yielding a longterm reproducibility of 16% (RSD). Applying the method, Be concentrations in tree, shrub, bush, and grass samples grown in non-polluted ecosystems from four temperate forests and a tropical rainforest were measured. The Be concentrations in different plant organs range from 0.01 to 63 ng/g that suggest a natural baseline for Be concentrations of 52 ng/g (95 percentile of non-woody tissue) that may serve as bioindicator for Be pollution in the environment. Comparison of Be concentrations in plants with the soil's biologically available fraction revealed that Be is discriminated from uptake into shoots and thus can be considered as non-essential.

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Seasonal and inter-annual variation of Beryllium-7 deposition in birch-tree leaves and grass in the northeast upland area of the Czech Republic

Cited by 19 publications

References 26 publications

Natural and artificial radioactivity in some protected areas of south east Europe

Natural and artificial radioactivity in some protected areas of south east Europe

Enhancement of Mass Interception Coefficient Data of Radiostrontium by Leafy Crops Using Global Fallout ⁹⁰Sr and Naturally Occurring ⁷Be

Quantifying beryllium concentrations in plant shoots from forest ecosystems using cation‐exchange chromatography and quadrupole ICP‐MS

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Seasonal and inter-annual variation of Beryllium-7 deposition in birch-tree leaves and grass in the northeast upland area of the Czech Republic

Cited by 19 publications

References 26 publications

Natural and artificial radioactivity in some protected areas of south east Europe

Natural and artificial radioactivity in some protected areas of south east Europe

Enhancement of Mass Interception Coefficient Data of Radiostrontium by Leafy Crops Using Global Fallout 90Sr and Naturally Occurring 7Be

Quantifying beryllium concentrations in plant shoots from forest ecosystems using cation‐exchange chromatography and quadrupole ICP‐MS

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Enhancement of Mass Interception Coefficient Data of Radiostrontium by Leafy Crops Using Global Fallout ⁹⁰Sr and Naturally Occurring ⁷Be