Spectrophotometric and electrochemical study for metal ion binding of azocalix[4]arene bearing p-ethylester group
DC Field | Value | Language |
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dc.contributor.author | Kim, Tae Hyun | - |
dc.date.accessioned | 2021-08-11T14:44:28Z | - |
dc.date.available | 2021-08-11T14:44:28Z | - |
dc.date.issued | 2017-05-05 | - |
dc.identifier.issn | 1386-1425 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/7559 | - |
dc.description.abstract | The complexation behavior of diazophenylcalix[4]arene bearingpara-ethylester group (p-EAC) for alkali, alkaline earth, various heavy and transition metal ions (Li+, Na+, K+, Rb+, Cs+, Mg2+, Ca2+, Sr2+, Ba2+, Cr3+, Fe2+, Co2+, Ni2+, Cu2+, Zn2+, Pb2+) was investigated by spectrophotometric and electrochemical methods in CH3CN center dot p-EAC exhibits decreased absorbance at 353 nm in the presence of Cr3+, Fe2+, Pb2+, and Cu2+. The spectra of p-EAC showed bathochromic shift in absorption maximum on the addition of Cr3+, Fe2+, or Pb2+ with decreasing order of absorbance (Cr3+ > Fe2+ > Pb2+), and on the other hand, hypsochromic shift on the addition of Cu2+. This leads to the selective coloration from light green to orange and colorless for Cr3+ and Cu2+ that can be detected by the naked eye, respectively. In electrochemistry experiments, p-EAC also showed two different types of voltammetric changes toward Cr3+, Fe2+, or Pb2+, and toward Cu2+, whereas no significant changes occurred in the presence of the other metal ions. Nonlinear fitting curve procedure was used to determine a logarithmic value of 5.20, 4.92, 3.54 and 4.80 for the stability constants of the complex of p-EAC with Cr3+, Fe2+, Pb-2+,Pb- and Cu2+, respectively. (C) 2017 Elsevier B.V. All rights reserved. | - |
dc.format.extent | 6 | - |
dc.language | 영어 | - |
dc.language.iso | ENG | - |
dc.publisher | Pergamon Press Ltd. | - |
dc.title | Spectrophotometric and electrochemical study for metal ion binding of azocalix[4]arene bearing p-ethylester group | - |
dc.type | Article | - |
dc.publisher.location | 영국 | - |
dc.identifier.doi | 10.1016/j.saa.2017.01.055 | - |
dc.identifier.scopusid | 2-s2.0-85010767288 | - |
dc.identifier.wosid | 000397370000002 | - |
dc.identifier.bibliographicCitation | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, v.178, pp 8 - 13 | - |
dc.citation.title | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy | - |
dc.citation.volume | 178 | - |
dc.citation.startPage | 8 | - |
dc.citation.endPage | 13 | - |
dc.type.docType | Article | - |
dc.description.isOpenAccess | N | - |
dc.description.journalRegisteredClass | sci | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Spectroscopy | - |
dc.relation.journalWebOfScienceCategory | Spectroscopy | - |
dc.subject.keywordPlus | HEAVY-METALS | - |
dc.subject.keywordPlus | WATER | - |
dc.subject.keywordPlus | COMPLEXES | - |
dc.subject.keywordPlus | ESTER | - |
dc.subject.keywordAuthor | Calix[4]arene | - |
dc.subject.keywordAuthor | Azocalix[4]arene | - |
dc.subject.keywordAuthor | Metal ion sensing | - |
dc.subject.keywordAuthor | Voltammetry | - |
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