PVC-membrane ion-selective bulk optode for Ag+ ion based on hexathia-18-crown-6 and 1,2-benzo-3-octadecanoylimino-7-diethylaminophenoxazine

Autor:	Mojtaba Shamsipur, Ali Mohajeri, Mohammad Reza Ganjali, Shohreh Rouhani
Rok vydání:	2002
Předmět:	Detection limit Chemistry Inorganic chemistry 18-Crown-6 Analytical chemistry Ionophore Chromophore Biochemistry Analytical Chemistry Ion chemistry.chemical_compound Membrane Optode Selectivity
Zdroj:	Analytical and bioanalytical chemistry. 375(5)
ISSN:	1618-2642
Popis:	A silver-selective optode membrane incorporating hexathia-18-crown-6 for cation recognition and a lipophilic chromoionophore 1,2-benzo-3-octadecanoylimino-7-diethylaminophenoxazine for transduction has been prepared. The PVC membrane composition was optimized to result in the largest working concentration range. The response range of the proposed optode is 5.0 x 10(-9)-5.0 x 10(-5) mol L(-1) Ag(+) with a limit of detection of 1.0 x 10(-9) mol L(-1). The probe works well at pH 5.0 and revealed small ion interference and good selectivity, reproducibility and stability.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::112c1d2ba296c245b57e0800205af93c https://pubmed.ncbi.nlm.nih.gov/12638055 Zobrazit plný text záznamu Full text from SpringerLink