Journal
RUSSIAN CHEMICAL REVIEWS
Volume 84, Issue 12, Pages 1279-1293Publisher
ND Zelinsky Inst Organic Chemistry, RAS - ZIOC RAS
DOI: 10.1070/RCR4505
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- Russian Foundation for Basic Research
- Government of Sevastopol [14-43-01005 'r_yug_a']
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The key approaches to the synthesis of crown ether-based sorbents, including immobilization both with and without covalent bonding, are reviewed. Examples of sorbent preparation using anodic oxidation, chemical modification of polymers, polycondensation reactions, chemical modification of inorganic supports and radiochemical synthesis for covalent bonding of crown ether moieties are considered Immobilization methods without covalent bonding including support synthesis in the presence of crown ethers, impregnation of supports with a crown ether solution and the use of powdered crown ether as a sorbent are presented. The applications of sorbents for selective removal of strontium from solutions of radioactive waste and spent nuclear fuel, for radiochemical analysis (determination of strontium in water, soil and biological materials) and for separation of strontium and yttrium isotopes are discussed. The bibliography includes 114 references.
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