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KMID : 1059519950390050371
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Journal of the Korean Chemical Society
1995 Volume.39 No. 5 p.371 ~ p.378
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Synthesis of New Triazacrown Ion Exchanger and Its Ion Exchange Characteristics
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Kim Dong-Won
Chung Yong-Soon
Kim Chang-Suk
Choi Ki-Young
Lee Yong-Ill
Hong Choon-Pyo
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Abstract
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The triazacrown compound, 1,7-dioxa-4,10,13-triazacyclopentadecane trihydrobromide salt (Na3O2-3HBr) was synthesized. And this compound was used to synthesize the new ion exchanger, which combined with Merrifield peptide resin. This new ion exchanger had a capacity of 3.2 meq/g dry resin. And the distribution coefficients of alkali and alkaline earth metal ions on this ion exchanger in the various concentrations of hydrochloric acid were determined. The ion exchange behaviors of alkali and alkaline earth metal ions in the various hydrochloric acid concentrations are, also, discussed.
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