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A comparative study of four 20-membered N2S4-crown ethers as ionophores for polymeric membrane silver selective electrodes
Zhang, Jun1,2,3; Yu, Shun Yang1; Yin, Tan Ji1; Hu, Xue Feng1; Qin, Wei1
2010-04-01
Source PublicationCHINESE CHEMICAL LETTERS
Volume21Issue:4Pages:464-467
SubtypeArticle
AbstractFour 20-membered N2S4-monoazathiacrown ethers have been synthesized and explored as neutral ionophores for Ag+-selective electrodes. Potentiometric responses reveal that the flexibility of the ligands has great effect on the selectivity and sensitivity to Ag+ ions. The electrode based on ionophore 9,10,20,25-tetrahydro-5H,12H-tribenzo[b,n,r][1,7,10,16,4,13]tetrathiadiaza cycloicosine 6,13-(7H,14H)-dione (C) with 2-nitrophenyl octyl ether (o-NPOE) as solvent in a poly(vinyl chloride) (PVC) membrane matrix shows a measuring range of 1.0 x 10(-6) to 1.0 x 10(-3) mol/L with a Nernstian slope of 54.9 +/- 0.3 mV/decade. This electrode has high selectivity for Ag+ with negligible interference from many other cations and can be used in a wide pH range of 3.6-9.2. (C) 2009 Wei Qin. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
KeywordIon-selective Electrodes Silver Ionophore Azathiacrown Ether
DOI10.1016/j.cclet.2009.11.028
Indexed BySCI
Language英语
WOS IDWOS:000276917900023
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/32883
Collection海洋生态与环境科学重点实验室
Affiliation1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc, Yantai 264003, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhang, Jun,Yu, Shun Yang,Yin, Tan Ji,et al. A comparative study of four 20-membered N2S4-crown ethers as ionophores for polymeric membrane silver selective electrodes[J]. CHINESE CHEMICAL LETTERS,2010,21(4):464-467.
APA Zhang, Jun,Yu, Shun Yang,Yin, Tan Ji,Hu, Xue Feng,&Qin, Wei.(2010).A comparative study of four 20-membered N2S4-crown ethers as ionophores for polymeric membrane silver selective electrodes.CHINESE CHEMICAL LETTERS,21(4),464-467.
MLA Zhang, Jun,et al."A comparative study of four 20-membered N2S4-crown ethers as ionophores for polymeric membrane silver selective electrodes".CHINESE CHEMICAL LETTERS 21.4(2010):464-467.
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