Effect of structural variation within sym-(R)dibenzo-16-crown-5-oxyacetic acid resins upon the selectivity and efficiency of alkali-metal cation sorption

Takashi Hayashinta, Mi J. Goo, Jong Seung Kim, Richard A. Bartsch

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Five new crown ether carboxyhc acid resins have been prepared by condensation polymerization of sym-(R)dibenzo-16-crown-5-oxyacetic acids with formaldehyde. Competitive alkali-metal cation sorption by these novel resins, which contain both ion-exchange and crown ether binding sites for metal ions, has been investigated. As the R-group was varied (methyl, ethyl, propyl, butyl, hexyl and decyl) both the alkali-metal cation sorption selectivity and efficiency were affected. The highest efficiency (loading) and Na+ sorption selectivity were obtained when R = methyl, ethyl and propyl. The longer alkyl groups were found to be detrimental to both sorption efficiency and selectivity.

Original languageEnglish
Pages (from-to)1453-1457
Number of pages5
JournalTalanta
Volume38
Issue number12
Publication statusPublished - 1991 Dec 1
Externally publishedYes

Fingerprint

Alkali Metals
Crown Ethers
Cations
Sorption
Resins
Acids
Ion Exchange
Polymerization
Formaldehyde
Metals
Binding Sites
Ions
Polycondensation
Metal ions
Ion exchange

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy

Cite this

Effect of structural variation within sym-(R)dibenzo-16-crown-5-oxyacetic acid resins upon the selectivity and efficiency of alkali-metal cation sorption. / Hayashinta, Takashi; Goo, Mi J.; Kim, Jong Seung; Bartsch, Richard A.

In: Talanta, Vol. 38, No. 12, 01.12.1991, p. 1453-1457.

Research output: Contribution to journalArticle

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