Adsorptivity of various metal ions onto benzo-18-crown-6 and dibenzo-18-crown-6 resins

被引：8
|
作者：
Nogami, Masanobu [1 ]
Haratani, Tomohiro [1 ]
Tachibana, Yu [2 ]
Kaneshiki, Toshitaka [3 ]
Nomura, Masao [3 ]
Suzuki, Tatsuya [2 ]
机构：
[1] Kinki Univ, Dept Elect & Elect Engn, Higashiosaka, Osaka 577, Japan
[2] Nagaoka Univ Technol, Dept Nucl Syst Safety Engn, Nagaoka, Niigata 94021, Japan
[3] Tokyo Inst Technol, Res Labs Nucl Reactors, Tokyo 152, Japan
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2015年 / 303卷 / 02期
关键词：
Benzo-18-crown-6; Dibenzo-18-crown-6; Resin; Nuclide separation; ZINC ISOTOPE-SEPARATION; SELECTIVE EXTRACTION;
D O I：
10.1007/s10967-014-3555-6
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Adsorptivity of metal ions onto silica-supported benzo-18-crown-6 (B18C6) and dibenzo-18-crown-6 (DB18C6) resins was investigated in nitric acid and hydrochloric acid media to evaluate the applicability of these resins for selective separation of nuclides from radioactive waste solutions. Both resins adsorbed Pd(II) and Ag(I) from HNO3, and Fe(III) and Ba(II) from HCl. It was also found that the B18C6 and DB18C6 resins adsorbed Sr(II) from HCl and Ca(II) from HNO3, respectively. This indicates that the two resins adsorb metal ions with smaller cationic diameters with different selectivity. This behavior is different from other impregnated adsorbents and extractants containing the 18-crown-6 moiety.
引用
收藏
页码：1549 / 1553
页数：5
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