Abstract

Anaproxen-sensitive potentiometric sensor with a plasticized PVC membrane was designed. The sensor contains an ion associate of naproxen with rhodamine 6G dye and exhibits a linear response to naproxen anion in the range from 8 × 10–5 to 1 × 10–1 M with an electrode function slope characteristic of singly charged ions. The minimum determined concentration is 4 × 10–5 M. This sensor can be used for the detection and determination of naproxen in drugs.

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