Specific colorimetric probe for Cu(Ⅱ) in aqueous solution and its application in indicator paper

YANG Hongbao; DU Jianjun; ZOU Li; ZHU Hao; JIANG Na; PENG Xiaojun

doi:10.11949/j.issn.0438-1157.20141041

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Specific colorimetric probe for Cu(Ⅱ) in aqueous solution and its application in indicator paper

更新时间：2025-12-10

- Specific colorimetric probe for Cu(Ⅱ) in aqueous solution and its application in indicator paper
- CIESC Journal Issue 2, Pages: 591-596(2015)
- 作者机构：
  
  大连理工大学精细化工国家重点实验室,辽宁,大连,116024
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20141041
  CLC： Q618.5
- Online First：05 February 2015，
  
  Published：05 February 2015
- 稿件说明：
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YANG Hongbao, DU Jianjun, ZOU Li, et al. Specific colorimetric probe for Cu(Ⅱ) in aqueous solution and its application in indicator paper[J]. CIESC Journal, 2015, (2): 591-596.
DOI：

YANG Hongbao, DU Jianjun, ZOU Li, et al. Specific colorimetric probe for Cu(Ⅱ) in aqueous solution and its application in indicator paper[J]. CIESC Journal, 2015, (2): 591-596. DOI： 10.11949/j.issn.0438-1157.20141041.

摘要

设计合成了以罗丹明为母体的探针分子RCu

可实现对Cu2+的选择性识别。在HEPES缓冲溶液(2×10-5 mol·L-1

pH 7.4)的测试体系中RCu本身无颜色

加入Cu2+后溶液变为粉红色

而且加入其他常见金属阳离子无颜色变化。探针分子可识别较低浓度的Cu2+

检出限可达6.37×10-8 mol·L-1。同时探针分子可用于试纸化检测

对水样中的Cu2+可实现低浓度的检测

具有一定的实用价值。

Abstract

A new Rhodamine derivative RCu was designed and synthesized as a colorimetric probe for Cu(Ⅱ) with high selectivity. RCu itself has no color in HEPES buffer solution (2×10-5 mol·L-1

pH 7.4). With Cu2+ added

the solution turns into pink color

but without change in color with other common metal cations. The probe can recognize Cu2+ at low concentrations and the detection limit is 6.37×10-8 mol·L-1. Meanwhile

the probe can detect Cu2+ in water samples at lower concentrations by indicator paper

indicative of its great potential applications.

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