Online ISSN: 1884-4111 Print ISSN: 0033-8303
Radioisotopes 67(12): 583-589 (2018)


認証標準物質を用いて環境試料の放射能濃度定量を行う放射線教育用教材の開発Development of Teaching Exercises for Radiation Education to Evaluate Radioactivity Concentration in Environmental Samples with Certified Reference Materials

1東京学芸大学環境科学分野Department of Environmental Sciences, Tokyo Gakugei University ◇ 184–8501 東京都小金井市貫井北町4–1–1 ◇ 4–1–1 Nukuikita, Koganei, Tokyo 184–8501, Japan

2東京学芸大学中等教育教員養成課程理科専攻物理教室Department of Physics, Tokyo Gakugei University ◇ 184–8501東京都小金井市貫井北町4–1–1 ◇ 4–1–1 Nukuikita, Koganei, Tokyo 184–8501, Japan

受付日:2018年4月16日Received: April 16, 2018
受理日:2018年7月17日Accepted: July 17, 2018
発行日:2018年12月15日Published: December 15, 2018


Teaching exercises for radiation education to evaluate radioactivity concentration in environmental samples with certified reference materials was developed. This enables us to evaluate the radioactivity concentration at low level such as a standard of radiocesium in general food. Master course students at Tokyo Gakugei University were tentatively trained with the above teaching exercises, where they mostly acquired not only a deeper understanding of soil contamination and food safety but also gaining objective perspectives for radiation and nuclear disaster. It is demonstrated that the present teaching materials are of usefulness in the advanced curriculum of radiation education in teacher-training universities.

Key words: certified reference material; radioactivity concentration; soil; food; radiation education; caesium-137

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