ICP-MS 测定福岛第一核电站周围海藻样本中的本底 I-129。

IF 0.8 4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Radiation protection dosimetry Pub Date : 2024-11-13 DOI:10.1093/rpd/ncae163

Minseok Kim, Toshihiro Shibata, Takayuki Sasaki, Junichi Suzuki

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引用次数: 0

摘要

东京电力公司根据日本政府的政策，计划在 2023 年将先进液体处理系统 (ALPS) 处理过的水，即经过 ALPS 净化的死水，稀释 100 倍以上后排放到太平洋。由于 ALPS 处理过的水中可能残留低浓度的 I-129，因此本研究记录了在 ALPS 处理过的水被释放之前，1F NPS 附近海藻样本中的 I-129 背景浓度。通过 TMAH 碱溶解法提取海藻样品中的碘，然后用 8900 三重四极 ICP-MS 测量 I-129 的浓度。得出的 I-129 浓度为

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ICP-MS determination of background I-129 in seaweed samples around Fukushima Daiichi NPS.

TEPCO planned the release of Advanced Liquid Processing System (ALPS)-treated water, which is decontaminated stagnated water by ALPS, to the Pacific Ocean in 2023 after diluting it more than a hundred times in accordance with the policy of the Japan government. Since the low level of I-129 can remain in ALPS-treated water, the background I-129 concentration in seaweed samples around 1F NPS before the release of ALPS-treated water was recorded in this study. The iodine in seaweed samples was extracted via TMAH alkali-dissolution, and the I-129 concentration was measured by 8900 Triple Quadrupole ICP-MS. The resulting I-129 concentration was <5.4 × 10-2 Bq/kg-wet (sargassum) and <2.7 × 10-2 Bq/kg-wet (laminaria), respectively.

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来源期刊

Radiation protection dosimetry 环境科学-公共卫生、环境卫生与职业卫生

CiteScore

1.40

自引率

10.00%

发文量

223

审稿时长

6-12 weeks

期刊介绍： Radiation Protection Dosimetry covers all aspects of personal and environmental dosimetry and monitoring, for both ionising and non-ionising radiations. This includes biological aspects, physical concepts, biophysical dosimetry, external and internal personal dosimetry and monitoring, environmental and workplace monitoring, accident dosimetry, and dosimetry related to the protection of patients. Particular emphasis is placed on papers covering the fundamentals of dosimetry; units, radiation quantities and conversion factors. Papers covering archaeological dating are included only if the fundamental measurement method or technique, such as thermoluminescence, has direct application to personal dosimetry measurements. Papers covering the dosimetric aspects of radon or other naturally occurring radioactive materials and low level radiation are included. Animal experiments and ecological sample measurements are not included unless there is a significant relevant content reason.