Selective colorimetry of sodium ion in acidic aqueous media by calix[4]crown chromoionophore

Takashi Hayashita; Kenji Kunogi; Hiromasa Yamamoto; Seiji Shinkai

doi:10.2116/analsci.13.supplement_161

Selective colorimetry of sodium ion in acidic aqueous media by calix[4]crown chromoionophore

Takashi Hayashita, Kenji Kunogi, Hiromasa Yamamoto, Seiji Shinkai

Institute for Advanced Study

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Selective colorimetry of alkali metal ions in aqueous dioxane solution by calix[4]crown chromoionophore possessing three dimensionally designed ion recognition site has been examined. Based upon a tautomerism from phenylazophenol to quinone hydrazone structure by forming MHL complex, chromoionophore was found to show a selective color change for Na⁺ in acidic aqueous media. In the same condition, no response was observed for Li⁺, K⁺, and TMA⁺.

Original language	English
Pages (from-to)	161-166
Number of pages	6
Journal	analytical sciences
Volume	13
Issue number	SUPPL.
DOIs	https://doi.org/10.2116/analsci.13.supplement_161
Publication status	Published - Jan 1 1997

All Science Journal Classification (ASJC) codes

Analytical Chemistry

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abstract = "Selective colorimetry of alkali metal ions in aqueous dioxane solution by calix[4]crown chromoionophore possessing three dimensionally designed ion recognition site has been examined. Based upon a tautomerism from phenylazophenol to quinone hydrazone structure by forming MHL complex, chromoionophore was found to show a selective color change for Na+ in acidic aqueous media. In the same condition, no response was observed for Li+, K+, and TMA+.",

author = "Takashi Hayashita and Kenji Kunogi and Hiromasa Yamamoto and Seiji Shinkai",

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AU - Kunogi, Kenji

AU - Yamamoto, Hiromasa

AU - Shinkai, Seiji

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N2 - Selective colorimetry of alkali metal ions in aqueous dioxane solution by calix[4]crown chromoionophore possessing three dimensionally designed ion recognition site has been examined. Based upon a tautomerism from phenylazophenol to quinone hydrazone structure by forming MHL complex, chromoionophore was found to show a selective color change for Na+ in acidic aqueous media. In the same condition, no response was observed for Li+, K+, and TMA+.

AB - Selective colorimetry of alkali metal ions in aqueous dioxane solution by calix[4]crown chromoionophore possessing three dimensionally designed ion recognition site has been examined. Based upon a tautomerism from phenylazophenol to quinone hydrazone structure by forming MHL complex, chromoionophore was found to show a selective color change for Na+ in acidic aqueous media. In the same condition, no response was observed for Li+, K+, and TMA+.

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