Tritium Counting Using a Europium Coordination Complex

Masanori Hara; Haruna Sakaguchi; Masato Nakayama; Shinsuke Abe; Masao Matsuyama; Takayuki Abe; Tsukasa Aso

doi:dx.doi.org/10.1080/15361055.2016.1273708

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Tritium Counting Using a Europium Coordination Complex

Masanori Hara, Haruna Sakaguchi, Masato Nakayama, Shinsuke Abe, Masao Matsuyama, Takayuki Abe, Tsukasa Aso

Fusion Science and Technology / Volume 71 / Number 4 / May 2017 / Pages 496-500

Technical Paper / dx.doi.org/10.1080/15361055.2016.1273708

First Online Publication:May 11, 2017

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The luminescence of Eu(DPA)₃^3- induced by beta particles from tritium decay was measured. The solution of Eu³⁺ was prepared with europium(III) nitrate hexahydrate and was mixed with a DPA (2, 6-pyridinedicarboxylic acid or dipicolinic acid) solution of pH 11 to yield Eu(DPA)₃^3-. The formation of Eu(DPA)₃^3- was confirmed through spectrometry. Tritiated water was added to the prepared solution of Eu(DPA)₃^3-. The luminescence intensity is proportional to the amount of tritium. In this paper we demonstrate the potential of this Eu complex as an inorganic liquid scintillator.