A selective colorimetric chemosensor for detection of Cu(II) ions in aqueous samples

被引：3
|
作者：
Ferretti, Cristian Alejandro [1 ]
Gutierrez, Leandro Gabriel [1 ]
Guntero, Vanina Alejandra [1 ,2 ]
Noriega, Pablo Javier [1 ]
Kneeteman, Maria Nelida [1 ]
机构：
[1] UNL, CONICET, Inst Quim Aplicada Litoral IQAL, Lab Fester Quim Organ FIQ,Grp Organ Synth & Mat G, RA-3000 Santa Fe, Argentina
[2] Univ Tecnol Nacional, Fac Reg San Francisco UTN FRSF, Grp Nat Prod, RA-2400 San Francisco, Argentina
来源：
COMPTES RENDUS CHIMIE | 2021年 / 24卷 / 02期
关键词：
Colorimetric sensor; Cu2+ detection; Ion recognition; DFT; UV-Vis method; COPPER; SENSOR;
D O I：
10.5802/crchim.131
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this work we report a selective colorimetric chemosensor (S) for Cu2+ ion detection in aqueous media. It has been synthesized by a condensation reaction between 1-hydrazinophtalazine and 6,6'-dihydroxy-5,5'dimethoxy-(1,1'biphenyl)-3,3'-dicarbaldehyde. The interaction between S and Cu2+ was studied and the results showed a bathochromic shift at 420 nm in UV-Vis spectra. The absorbance enhancement of S was attributed to complex formation with Cu2+ by 2:1 stoichiometry. The proposed analytical method can be applied to Cu2+ quantification with a linear range covering from 5.0 to 315.8 mu M, and can be used to routinely analyze Cu2+ in environmental aqueous samples with satisfactory results.
引用
收藏
页码：385 / 396
页数：13
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