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Photocured polymers in ion-selective electrode membranes Part 6: Photopolymerized lithium sensitive ion-selective electrodes for flow injection potentiometry

✍ Scribed by J.R. Farrell; P.J. Iles; T. Dimitrakopoulos

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 515 KB
Volume: 335
Category: Article
ISSN: 0003-2670
DOI: 10.1016/s0003-2670(96)00355-8

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✦ Synopsis

A photocured lithium ion-selective electrode, based on the ionophore N,N-dicyclohexyl-N',N'-diisobutyl-cis-cyclohexane-1,2-dicarboxamide (ETH 1810), was developed and evaluated. The robust nature of the photocured membrane made it ideally suitable for measurements in flow injection potentiometry within a linear range 0.1-10-3 M, detection limit of 5 x 10e4 M, and sample throughput of 150 h-l. The electrode was used successfully to determine lithium levels in pharmaceutical lithium carbonate tablets.

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