Citation: Ying DU, Wen Jun CHEN, Sheng Ying QIN. Extraction of Cesium from the Irradiated Nuclear Waste by 4(5),4'(5')-Bis[1-hydroxyalkylbenzo]-21-crown-7[J]. Chinese Chemical Letters, ;2004, 15(10): 1219-1222. shu

Extraction of Cesium from the Irradiated Nuclear Waste by 4(5),4'(5')-Bis[1-hydroxyalkylbenzo]-21-crown-7

Department of Chemistry, Sichuan University, Chengdu 610064

Received Date: 17 September 2003

Fund Project: This work is supported by the National Natural Science Foundation of China (Project No.2007205).

4(5),4'(5')-Bis[l-hydroxyalkylbenzo]-21-crown-7 (A-C) have been synthesized by two-step reactions from dibenzo-21-crown-7 (DB21C7). Extraction of cesium cation from nitric acid solutions by A-C has been investigated in nitromethane. Under the conditions of various concentration of HNO₃ or NaNO₃, the extractabilities of A and B were superior to that of DB21C7.
- 4(5),4'(5')-Bis[1-hydroxyalkyl]dibenzo-21-crown-7,
- extraction,
- cesium
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