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  • 标题:Synthesis, printing applications and electrochemical removal of CQAPDN disperse dye incorporating quinoline moiety
  • 本地全文:下载
  • 作者:Khalid Mahmoud Hassan ; Khalid Mahmoud Hassan ; ElKhabiry Shaban
  • 期刊名称:Journal of King Saud University - Science
  • 印刷版ISSN:1018-3647
  • 出版年度:2022
  • 卷号:34
  • 期号:1
  • 页码:1-9
  • DOI:10.1016/j.jksus.2021.101670
  • 语种:English
  • 出版社:Elsevier
  • 摘要:AbstractA new heterocyclic azodye 4-({4-[(7-Chloroquinolin-4-yl)amino]phenyl}diazenyl)naphthalen-1-ol (CQAPDN) was synthesized by diazotization of 7-chloroquinolin-4-yl)benzene-1,4-diamine; followed by coupling with α-naphthol. Its structure was elucidated by spectroscopic techniques. Dyeing performance on polyester fibers was assessed. The color strength measurements and fastness properties exhibited good results. The electrochemical behavior of the CQAPDN was studied using cyclic voltammetry technique in a mixed solvent of perchloric acid and acetonitrile at glassy carbon electrode modified with poly1,5-diaminonaphthalene. The modified electrode showed excellent electrocatalytic activity toward electrochemical determination of CQAPDN with low detection and quantification limits of 0.00169 and 0.00565 µM. The azo-removal was studied using controlled potential electrolysis technique at 0.20 V. The decolorization efficiency was assessed through UV/Vis studies confirming that the azo-group was destroyed.
  • 关键词:Azodye;Cyclic voltammetry;Modified electrode;Degradation
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