2026-10-19T01:06:11Zhttps://ebyu-rdlopen.rawdatalibrary.net/oai/request

oai:ebyu-rdlopen.rawdatalibrary.net:ebyu/141162026-10-18T20:28:53Zopenairedrivercom_ebyu_10000col_ebyu_10001

Construction of a novel highly selective potentiometric perchlorate sensor based on neocuproine-Cu(II) complex formed in situ during the conditioning periodOnder, AhmetTopcu, CihanColdur, FatihElectrodeNeocuproinePerchloratePerchlorate determinationPotentiometryA potentiometric perchlorate-selective electrode based on a phenanthroline derivative, neocuproine (2,9-dimethyl-1,10-phenanthroline), was developed. An electroactive substance, a neocuproine complex of Cu2+, providing a selective response to perchlorate was formed in situ in the electrode membrane structure during the conditioning process. Membrane optimization studies showed that the most suitable membrane composition was 1.0% (w/w) neocuproine, 69.0% (w/w) o-nitrophenyloctylether (o-NPOE) and 30.0% (w/w) poly(vinyl chloride) (PVC) in terms of potentiometric performance characteristics. For the proposed electrode, the linear range, slope, detection limit, pH working range and response time were determined as 2.5 × 10-7-1.0 × 10-1 M, -53.01 mV/decade, 1.0 × 10-7 M, 4.0-12.5 and ≈3 s, respectively. The proposed sensor was successfully used in the determination of perchlorate contents of some perchlorate spiked tap, river and dam water samples. © Lietuvos mokslu akademija, 2018.Lietuvos Mokslu Akademijos2018Articlehttps://rdlopen.rawdatalibrary.net/r/ebyu/141160235-7216enChemijainfo:eu-repo/semantics/openAccessinfo:eu-repo/semantics/articlehttps://ebyu-rdlopen.rawdatalibrary.net/tr/items/ebyu/14116