Separation of Long-Lived 108mAg from 152Eu and 60Co Using Polyethylene Glycol Based Aqueous Two Phase Systems

被引：1
作者：
Mitra, Sayantani [1 ]
Naskar, Nabanita [2 ]
Lahiri, Susanta [2 ,3 ]
机构：
[1] Univ Calcutta, 35,Ballygunge Circular Rd, Kolkata, India
[2] Diamond Harbour Womens Univ, South 24 Parganas, Sarisha, India
[3] Sidho Kanho Birsha Univ, Purulia, India
来源：
JOURNAL OF SOLUTION CHEMISTRY | 2023年 / 52卷 / 11期
关键词：
Liquid radioactive waste (LRW); Long-lived radioisotopes; Polyethylene glycol (PEG); Aqueous two phase systems (ATPS); RADIONUCLIDES EU-152; EU-154; SELECTIVE SEPARATION; IONIC LIQUID; METAL-IONS; EXTRACTION; ADSORPTION; BEHAVIOR; AG-110M; CS-137; EQUILIBRIUM;
D O I：
10.1007/s10953-023-01318-8
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
An environmentally benign aqueous two phase system has been developed for the separation of Ag-108m from Eu-152 and Co-60 using polyethylene glycol/salt system. Twelve salts (nine inorganic, three organic) and PEG 4000 were chosen to form the ATPS out of which, the best separation was observed for 3 mL 2 mol & BULL;dm(-3) K3PO4: 3 mL PEG 4000 followed by 3 mL 2 mol & BULL;dm(-3) Na2SO4: 3 mL PEG 4000. In both cases, silver was preferentially extracted in the PEG rich phase. The separation factors achieved were S-Ag/Co = 2.11 x 10(3) and S-Ag/Eu = 2.79 x 10(2) in the case of 2 mol & BULL;dm(-3) K3PO4: PEG 4000 combination.
引用
收藏
页码：1289 / 1300
页数：12
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