Bis-crown ether derivatives as ionophores for potassium selective electrodes

E. Lindner, K. Tóth, M. Horváth, E. Pungor, B. Ágai, I. Bitter, L. Tőke, Z. Hell

Research output: Article

41 Citations (Scopus)

Abstract

The correlation between the chemical structure and potentiometric ion-selectivity of a new group of biscrown ether-derivatives has been studied in detail. It was concluded that with bis-benzo-15-crown-5 derivatives with a urethane linkage, NO2-substitution on both benzene rings is of utmost importance with respect to potentiometric performance. Hints have been given for the interpretation of the selectivity increasing effect of the NO2-substituent. The performance characteristics of the new ligand based electrodes were compared with those of the existing potassium selective sensors.

Original languageEnglish
Pages (from-to)157-163
Number of pages7
JournalFresenius' Zeitschrift für Analytische Chemie
Volume322
Issue number2
DOIs
Publication statusPublished - jan. 1985

Fingerprint

Potassium Ionophores
Crown Ethers
Urethane
Benzene
Ether
Potassium
Electrodes
Ions
Ligands
Derivatives
Substitution reactions
Sensors
15-crown-5

ASJC Scopus subject areas

  • Analytical Chemistry
  • Clinical Biochemistry

Cite this

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AU - Lindner, E.

AU - Tóth, K.

AU - Horváth, M.

AU - Pungor, E.

AU - Ágai, B.

AU - Bitter, I.

AU - Tőke, L.

AU - Hell, Z.

PY - 1985/1

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