| http://www.w3.org/ns/prov#value | - Another embodiment of the present invention is a potentiometric electrode as described above wherein the polymeric material comprises one or more of poly(n-butylacrylate), poly(butylacrylate), cross-linked poly(butylacrylate), polycarbonate, polystyrene, polymethylmethacrylate, poly(vinylchloride-co-vinylacetate-co-vinylalcohol), polysiloxane, DC 200 silicon oil, polyvinyl chloride, or high molecu
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