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. 2014 Jul 16;9(7):e102218. doi: 10.1371/journal.pone.0102218

Figure 3. Measurement of 137Cs in sample waters.

Figure 3

137CsCl solutions at concentrations of 0, 0.03, 0.3, 3.0 and 15.0 KBq/kg were passed through the test apparatus. Collected filtered waters were used to measure 137Cs counts by an AccuFLEX γ ARC-7001 gamma counter (A and B). White bar: 137CsCl solutions before filtration, gray bar: 137CsCl solutions after filtration. Radioactivities before and after filtration were evaluated by linear-regression analysis (C). •: 137CsCl solutions before filtration, ○: 137CsCl solutions after filtration. Experiments were carried out in triplicate.