A new Hg(2+)-selective chromoionophore based on calix[4]arenediazacrown ether |
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| Authors: | Choi M J Kim M Y Chang S K |
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| Affiliation: | Department of Chemistry, Chung-Ang University, Seoul 156-756, Korea. |
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| Abstract: | A new azophenol type chromogenic ionophore based on the p-tert-butylcalix[4]arenediazacrown ether was prepared: the ionophore exhibited a pronouncedly selective chromogenic behaviour toward Hg2+ ions among the surveyed guests of alkali, alkaline earth, transition and heavy metal ions in liquid-liquid extraction experiments. |
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