Low-volume Electrolytic Enrichment for Tritium Measurement Using Improved Solid Polymer Electrolyte System at NIFS and Its Application

Naofumi Akata; Chie Iwata; Akemi Kato; Masahiro Tanaka; Hirofumi Tazoe; Nagayoshi Shima; Kimpei Ichiyanagi; Miklós Hegedűs; Gergő Bátor; Tibor Kovács; Hideki Kakiuchi

doi:10.51083/radiatenvironmed.9.2_93

Note

Low-volume Electrolytic Enrichment for Tritium Measurement Using Improved Solid Polymer Electrolyte System at NIFS and Its Application

Naofumi Akata, Chie Iwata, Akemi Kato, Masahiro Tanaka, Hirofumi Tazoe, Nagayoshi Shima, Kimpei Ichiyanagi, Miklós Hegedűs, Gergő Bátor, Tibor Kovács, Hideki Kakiuchi

Author information

Naofumi Akata
Radiation Chemistry Department, Institute of Radiation Emergency Medicine, Hirosaki University; 66-1 Hon-cho, Hirosaki, Aomori 036-8564, Japan
Institute of Radiochemistry and Radioecology, University of Pannonia, H-8201 Veszprém, P.O.B.: 158, Hungary.
Chie Iwata
National Institute for Fusion Science, National Institute of Natural Sciences; 322-6 Oroshi-cho, Toki, Gifu 509-5292, Japan
Akemi Kato
National Institute for Fusion Science, National Institute of Natural Sciences; 322-6 Oroshi-cho, Toki, Gifu 509-5292, Japan
Masahiro Tanaka
National Institute for Fusion Science, National Institute of Natural Sciences; 322-6 Oroshi-cho, Toki, Gifu 509-5292, Japan
Hirofumi Tazoe
Radiation Chemistry Department, Institute of Radiation Emergency Medicine, Hirosaki University; 66-1 Hon-cho, Hirosaki, Aomori 036-8564, Japan
Nagayoshi Shima
Kyushu Environmrntal Evaluation Association; 1-10-1 Matsukadai, Higashi-ku, Fukuoka 813-0004 Japan
Kimpei Ichiyanagi
Kumamoto University; Kurokami 2-39-1, Chuo-ku, Kumamoto, 860-8555, Japan
Miklós Hegedűs
Radiation Physics Department, Institute of Radiation Emergency Medicine, Hirosaki University; 66-1 Hon-cho, Hirosaki, Aomori 036-8564, Japan
Gergő Bátor
Institute of Radiochemistry and Radioecology, University of Pannonia, H-8201 Veszprém, P.O.B.: 158, Hungary.
Tibor Kovács
Institute of Radiochemistry and Radioecology, University of Pannonia, H-8201 Veszprém, P.O.B.: 158, Hungary.
Hideki Kakiuchi
Department of Radioecology, Institute for Environmental Sciences; 1-7 Ienomae, Obuchi, Rokkasho, Aomori 039-3212 Japan

Keywords: tritium, electrolytical enrichment, low volume

JOURNAL FREE ACCESS

2020 Volume 9 Issue 2 Pages 93-97

DOI https://njjn-jsjc-gov-cn-s-1416.res.gxlib.org.cn:443/rwt/1416/https/MSYXTLUQPJUB/10.51083/radiatenvironmed.9.2_93

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Abstract

We evaluated the enrichment factor of tritium for an improved solid polymer electrolyte (SPE) system. In this system, water sample reservoirs were made of double-glazed glass, and cooling water was circulated in the double glass to cool the sample. As the result, a tritium enrichment factor of 5.00 was obtained and the MDL of tritium measurement with a low-background liquid scintillation counter coupled to this improved enrichment process was determined to be approximately 0.062 Bq L^-1. Tritium concentration in monthly precipitation at Kumamoto was measured using this method combining a low-background liquid scintillation counter and this improved SPE system.

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