A lead(II)-selective PVC membrane based on a Schiff base complex of ,?-bis(salicylidene)-2,6-pyridinediamine

Autor:	Hyo Kyoung Lee, Taejun Jeong, Dae-Cheol Jeong, Seungwon Jeon
Rok vydání:	2005
Předmět:	Schiff base Metal ions in aqueous solution Analytical chemistry Buffer solution Analytical Chemistry Ion selective electrode Metal Polyvinyl chloride chemistry.chemical_compound Membrane chemistry visual_art visual_art.visual_art_medium Selectivity Nuclear chemistry
Zdroj:	Talanta. 65:543-548
ISSN:	0039-9140
DOI:	10.1016/j.talanta.2004.07.016
Popis:	PVC membrane electrodes for lead ion based on N,N'-bis(salicylidene)-2,6-pyridinediamine as membrane carrier were prepared. Among their membranes, a membrane electrode (m-3) containing o-NPOE as a plasticizer and 50mol% additive displays an excellent Nernstian response (29.4mV/decade) and the limit of detection of -loga (M) = 6.04 to Pb(2+) in Pb(NO(3))(2) solutions at room temperature. It has a rapid response time within 10s over the entire concentration range. The proposed electrode revealed good selectivity and response for Pb(2+) over a wide variety of other metal ions in a pH 5.0 buffer solutions, and good reproducibility of base line in subsequent measurements.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8cce1b79c2905bd2942b7da801535d19 https://doi.org/10.1016/j.talanta.2004.07.016 Zobrazit plný text záznamu Full Text from ScienceDirect