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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 11
BKCSDE 34(11)
November 20, 2013 

Spectrophotometric and Electrochemical Study of Cu2+-Selective Azocalix[4]arene Bearing p-Carboxyl group
Tae Hyun Kim, Jong Seung Kim*, Hasuck Kim*
Azocalixarene, Copper ion, Colorimetry, Voltammetry
The spectrophotometric and electrochemical properties of tetraazo(p-carboxy)phenylcalix[4]arene (p-CAC) in the presence of various metal ions were investigated by UV/Vis spectroscopy and voltammetry in CH3CN. p- CAC showed selective color changes to Cu2+ over other metal ions from light orange to colorless, in accordance with hypsochromic shift in UV/Vis spectra. Voltammetric measurements also showed high selectivity for Cu2+.
3377 - 3380
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