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In this work a new concept of potentiometric layered membranes is introduced. In most cases described so far a potentiometric membrane is made of one polymer (or one copolymer) used with ion-exchanger and ionophore, for some polymers/copolymers optionally used with a plasticizer of choice. Application of just one polymer (or copolymer) with additives as membrane material is the classical concept of...
Poly(n-butyl acrylate) membranes for potentiometric ion-selective electrodes were developed and studied on example of lead-selective sensors. A novel approach resulting in Nernstian responses of tested sensor was proposed. Introduction of 5% (w/w) hydroxyethyl methacrylate into n-butyl acrylate moiety resulted in significant improvement of sensor analytical parameters. For the latter membrane material...
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