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Mass-spectrometric determination of iodine-129 using O$$_{2}$$-CO$$_{2}$$ mixed-gas reaction in inductively coupled plasma tandem quadrupole mass spectrometry

Matsueda, Makoto   ; Aoki, Jo; Koarai, Kazuma   ; Terashima, Motoki  ; Takagai, Yoshitaka*

The $$^{129}$$I analysis using ICP-MS is challenging caused by xenon-129 ($$^{129}$$Xe) and $$^{127}$$IH$$_{2}$$ generated from excess stable isotope $$^{127}$$I. In this study, mass discrimination between iodine-129 ($$^{129}$$I) and interfering substances was achieved by inductively coupled plasma-tandem quadrupole mass spectrometry (ICP-MS/MS) with a dynamic reaction cell introduced a mixture gas of O$$_{2}$$ and CO$$_{2}$$. As a result, the ratio of (background noise intensity at m/z 129)/$$^{127}$$I was 3.8 $$times$$ 10$$^{-10}$$ and 10 mBq/L of $$^{129}$$I was analyzed without chemical separation in the presence of 100 mg/L stable $$^{127}$$I. Spiked tests with actual rainwater were performed, and obtained values were agreed with the spiked amounts.

Language

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English

Journal

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Analytical Sciences

Volume

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38

Number

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11

Pages

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p.1371 - 1376

Publication Year/Month

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2022/11

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Held date

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Patent information

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Paper URL

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https://doi.org/10.1007/s44211-022-00180-w

DOI for research data

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Link to research data related to this paper/report.

Keywords

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福島第一原子力発電所事故; Fukushima Daiichi Nuclear Power Station Accident; ヨウ素129; ICP-MS; リアクションセル

Research Facility

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Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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福島大学

Accesses

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- Accesses

InCites™

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Percentile:30.98

Category:Chemistry, Analytical

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