Removal of radiocesium using cation exchange resin

Yuko Morita-Murase, Ryosuke Mizumura, Yoshitaka Tachibana, Hideko Kanazawa

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Cation exchange resins (calcium polystyrene sulfonate, Ca-resin and sodium polystyrene sulfonate, Na-resin) have been used as agents to improve hyperkerlemia. For removing <sup>137</sup>Cs from the human body, the adsorption ability of the resin for <sup>137</sup>Cs was examined and evaluated. Resin (0.03 g) and <sup>137</sup>Cs (ca.1 kBq) were introduced into 3 mL of water, the Japanese Pharmacopoeia 1st fluid for a dissolution test (pH 1.2) and 2nd fluid (pH 6.8), respectively, and shaken. After 1-3 hours, the <sup>137</sup>Cs adsorption (%) of Na-resin was 99 % in water, 60 % in a pH 1.2 fluid and, 66 % in a pH 6.8 fluid. By adding potassium, the <sup>137</sup>Cs adsorption (%) of Ca-resin was reduced. However, the <sup>137</sup>Cs adsorption (%) of Na-resin was almost unchanged. These results show that both resins have adsorption ability for <sup>137</sup>Cs in the stomach and the intestines. Therefore, the proposed method will be an effective means in the case of a radiological emergency due to <sup>137</sup>Cs.

Original languageEnglish
Pages (from-to)541-545
Number of pages5
JournalBunseki Kagaku
Volume62
Issue number6
DOIs
Publication statusPublished - 2013 Jun 27

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Cation Exchange Resins
Resins
Adsorption
Fluids
Water
Potassium
Dissolution

Keywords

  • Calcium polystyrene sulfonate
  • Radiological emergency
  • Sodium polystyrene sulfonate

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Removal of radiocesium using cation exchange resin. / Morita-Murase, Yuko; Mizumura, Ryosuke; Tachibana, Yoshitaka; Kanazawa, Hideko.

In: Bunseki Kagaku, Vol. 62, No. 6, 27.06.2013, p. 541-545.

Research output: Contribution to journalArticle

Morita-Murase, Yuko ; Mizumura, Ryosuke ; Tachibana, Yoshitaka ; Kanazawa, Hideko. / Removal of radiocesium using cation exchange resin. In: Bunseki Kagaku. 2013 ; Vol. 62, No. 6. pp. 541-545.
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