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Report No.

Determination method using liquid scintillation counter for $$^{113m}$$Cd in wastewater in Fukushima-1 Nuclear Power Plant

Yasuda, Mari; Nebashi, Koji*; Yonekawa, Naoki; Yasumatsu, Takuyo*; Kameo, Yutaka 

A simple analytical method was developed for the determination of $$^{113m}$$Cd in the treated wastewater arising from Advanced Liquid Processing System (ALPS) at the Fukushima-1 Nuclear Power Plant. Cadmium in the wastewater containing sea salt was effectively purified by an anion-exchange procedure. It was found that more than 97% of Cd were recovered by the present procedure from a sample solution of 2M HCl. Since a radioactivity standard solution of $$^{113m}$$Cd was difficult to purchase from venders, beta-ray counting efficiency for $$^{113m}$$Cd was estimated using 99Tc and 36Cl standard solutions. Minimum detectable activity was calculated to be 0.003 Bq mL$$^{-1}$$. The present analytical method would be well suited for a rapid and simple determination of $$^{113m}$$Cd in wastewater treated by ALPS.



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Category:Chemistry, Analytical



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