放射能測定法シリーズ

A sample is, as is or after drying and crushing, filled into a measurement container such as a Marinelli beaker. This method enables measurement of multiple kinds of γ-emitting nuclides at the same time. While a NaI(Tl) scintillation detector is poorer in energy resolution compared with a germanium semiconductor detector, it is high in the counting efficiency and easy to maintain and control since it does not require cooling the detector part using liquid nitrogen.

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