Hemispherands in ion-sensitive compositions

Hemispherands in ion-sensitive compositions

Ion-sensitive compositions which comprise an ionophore, a compound capable of solvating the ionophore, and a supporting matrix are disclosed. The ionophore according to the invention is a lipophilic hemispherand compound. These compositions are particularly useful in ion-sensitive electrodes. Prefer...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: TONER, JOHN LUKE, DANIEL, DANIEL SALMAN
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
HETEROCYCLIC COMPOUNDS
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
METALLURGY
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
PHYSICS
TESTING
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Beschreibung
Zusammenfassung:Ion-sensitive compositions which comprise an ionophore, a compound capable of solvating the ionophore, and a supporting matrix are disclosed. The ionophore according to the invention is a lipophilic hemispherand compound. These compositions are particularly useful in ion-sensitive electrodes. Preferred electrodes are capable of selectively detecting a first ion in preference to a second ion. Particularly useful hemispherands have a DELTA G of complexation with the first ion which is at least 0.3 Kcal/mole greater than the DELTA G of complexation with the second ion.