Samarium(III)-PVC-Membrane Sensor Based on Ethoxy-1-ethoxycarbonyl-1,2-dihydroquinoline
作者： Ezzat Naddaf , Hassan Ali Zamani
DOI: 10.1080/00032710902726070
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摘要: Abstract 2-Ethoxy-1-ethoxycarbonyl-1,2-dihydroquinoline (EED) was found to be a suitable neutral ionophore for the preparation of highly selective samarium (Sm)(III) membrane sensor. Poly vinylchloride (PVC)–based membranes EED with sodium tetraphenyl borate (NaTPB) as an anionic additive and dibutylphthalate (DBP), nitrobenzene (NB), acetophenone (AP) plasticizing solvent mediators were prepared investigated Sm(III) sensors. The sensor exhibited Nernstian response over concentration range 1.0 × 10−6 1.0 × 10−2 M, detection limit 5.0 × 10−7 M. best performance achieved composition 30% PVC, 66% dibutyl phthalate 2% EED, (NaTPB). It has very short time, in whole (∼10s), can used at least 10 weeks. proposed electrode shows good selectivity toward ions wide variety cations, including alkali, alkaline earth, transition-metal, he...
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