A new double-jet cell for fast ion-sensitive electrodes

作者: M. Attari , P. Fabry , H. Mallié , G. Quezel

DOI: 10.1016/0925-4005(93)85045-C

关键词: Analytical chemistryIonDrop (liquid)Order of magnitudeReference electrodeIon selective electrodeMembraneTransient responseFast ion conductorChemistry

摘要: Abstract A double-jet system has been chosen to study the transient response of Na + fast ion-sensitive membranes such as NASICON (Na 1+ x Zr 2 Si P 3− O 12 ). The solutions are thrown by a neutral gas onto membrane. To avoid residual drop at ISE/reference electrode contact, two reference electrodes used, one in each solution. is driven microcomputer. Comparisons between an —glass membrane and have shown difference order magnitude on time values. potential overshoot phenomenon observed glass during K interference experiment which does not appear significantly with NASICON. This point may be important biological applications where there competition ions.

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