@article{oai:tsukuba.repo.nii.ac.jp:00055758, author = {坂口, 綾 and SAKAGUCHI, Aya and 恩田, 裕一 and ONDA, Yuichi and Kurihara, Momo and Yasutaka, Tetsuo and Aono, Tatsuo and Ashikawa, Nobuo and Ebina, Hiroyuki and Iijima, Takeshi and Ishimaru, Kei and Kanai, Ramon and Karube, Zin’ichi and Konnai, Yae and Kubota, Tomijiro and Maehara, Yuji and Maeyama, Takeshi and Okizawa, Yusuke and Ota, Hiroaki and Otosaka, Shigeyoshi and Tagomori, Hisaya and Taniguchi, Keisuke and Tomita, Masatoshi and Tsukada, Hirofumi and Hayashi, Seiji and Lee, Sangyoon and Miyazu, Susumu and Shin, Moono and Nakanishi, Takahiro and Nishikiori, Tatsuhiro and Shinano, Takuro and Tsuji, Hideki}, issue = {2}, journal = {Journal of Radioanalytical and Nuclear Chemistry}, month = {Aug}, note = {We assessed the repeatability and reproducibility of methods for determining low dissolved radiocesium concentrations in freshwater in Fukushima. Twenty-one laboratories pre-concentrated three of 10 L samples by five different pre-concentration methods (Prussian-blue-impregnated filter cartridges, coprecipitation with ammonium phosphomolybdate, evaporation, solid-phase extraction disks, and ion-exchange resin columns), and activity of radiocesium was measured. The z-scores for all of the 137Cs results were within ± 2, indicating that the methods were a good degree of precision. The relative standard deviations (RSDs) indicating the reproducibility among different laboratories were larger than the RSDs indicating the repeatability in each separate laboratory.}, pages = {477--485}, title = {Repeatability and reproducibility of measurements of low dissolved radiocesium concentrations in freshwater using different pre-concentration methods}, volume = {322}, year = {2019}, yomi = {サカグチ, アヤ and オンダ, ユウイチ} }