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

Takashi Hayashita, Kenji Kunogi, Hiromasa Yamamoto, Seiji Shinkai

Research output: Contribution to journalArticle

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 languageEnglish
Pages (from-to)161-166
Number of pages6
JournalAnalytical Sciences
Volume13
Issue numberSUPPL.
Publication statusPublished - Dec 1 1997

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Alkali Metals
Colorimetry
Hydrazones
Metal ions
Sodium
Ions
Color
1,4-dioxane
benzoquinone

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry

Cite this

Hayashita, T., Kunogi, K., Yamamoto, H., & Shinkai, S. (1997). Selective colorimetry of sodium ion in acidic aqueous media by calix[4]crown chromoionophore. Analytical Sciences, 13(SUPPL.), 161-166.

Selective colorimetry of sodium ion in acidic aqueous media by calix[4]crown chromoionophore. / Hayashita, Takashi; Kunogi, Kenji; Yamamoto, Hiromasa; Shinkai, Seiji.

In: Analytical Sciences, Vol. 13, No. SUPPL., 01.12.1997, p. 161-166.

Research output: Contribution to journalArticle

Hayashita, T, Kunogi, K, Yamamoto, H & Shinkai, S 1997, 'Selective colorimetry of sodium ion in acidic aqueous media by calix[4]crown chromoionophore', Analytical Sciences, vol. 13, no. SUPPL., pp. 161-166.
Hayashita T, Kunogi K, Yamamoto H, Shinkai S. Selective colorimetry of sodium ion in acidic aqueous media by calix[4]crown chromoionophore. Analytical Sciences. 1997 Dec 1;13(SUPPL.):161-166.
Hayashita, Takashi ; Kunogi, Kenji ; Yamamoto, Hiromasa ; Shinkai, Seiji. / Selective colorimetry of sodium ion in acidic aqueous media by calix[4]crown chromoionophore. In: Analytical Sciences. 1997 ; Vol. 13, No. SUPPL. pp. 161-166.
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