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[1]王佳佩,李雅琴,王晓帆,等.高灵敏度的氰根离子荧光探针的合成及其性质研究[J].武汉工程大学学报,2021,43(02):119-123.[doi:10.19843/j.cnki.CN42-1779/TQ.202012004]
 WANG Jiapei,LI Yaqin,WANG Xiaofan,et al.Synthesis and Properties of Fluorescent Probes with High Sensitivity to Cyanide Ions[J].Journal of Wuhan Institute of Technology,2021,43(02):119-123.[doi:10.19843/j.cnki.CN42-1779/TQ.202012004]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
43
期数:
2021年02期
页码:
119-123
栏目:
化学与化学工程
出版日期:
2021-04-30

文章信息/Info

Title:
Synthesis and Properties of Fluorescent Probes with High Sensitivity to Cyanide Ions
文章编号:
1674 - 2869(2021)02 - 0119 - 05
作者:
王佳佩李雅琴王晓帆黎俊波*
武汉工程大学化学与环境工程学院,湖北 武汉 430205
Author(s):
WANG Jiapei LI Yaqin WANG Xiaofan LI Junbo*
School of Chemistry and Environmental Engineering,Wuhan Institute of Technology,Wuhan 430205,China
关键词:
探针氰根离子荧光 颜色变化吲哚
Keywords:
probeCN- fluorescence color changeindole
分类号:
O652.3
DOI:
10.19843/j.cnki.CN42-1779/TQ.202012004
文献标志码:
A
摘要:
氰化钠和氰化钾是常用的化工原料,但属于剧毒性物质,因此研究一种低成本、快速检测工业废水中氰根离子浓度的方法意义重大。本文以吲哚盐作为受体,三苯胺作为给体,通过碳碳双键共轭连接,得到探针(E)-2-[4-(二苯基氨基)苯乙烯基]-1,3,3-三甲基-3H-吲哚-1-鎓(DADI)。研究表明,在最佳溶剂体系中(乙醇/水体积比为9∶1),探针DADI浓度为10-5 mol/L时, 加入10倍物质的量氰根离子后,溶液颜色立即由粉红色变为无色,溶液荧光由弱光 (Φf =0.07)变为发射强的蓝色荧光(Φf = 0.20)。同时,其它常见阴离子如F-, Cl-, Br-, I-, BF4-, ClO4-, NO3-等, 对氰根离子的检测没有干扰,该探针对氰根离子检测限低至0.067 μmol/L,远低于世界卫生组织规定的饮用水中氰根离子含量最高标准(1.9 μmol/L)。
Abstract:
Sodium cyanide and potassium cyanide are commonly used and highly toxic chemicals. It is of great significance to develop a low-cost and rapid method for the detection of CN- in industrial waste water. In this article, we used indole salt as the acceptor and the triphenylamine as the donor, both parts were conjugated by carbon-carbon double bond to obtain the probe 2-[4-(diphenylamino)styryl]-1,3,3-trimethyl-3H-indol-1-ium iodide. Fortunately, after the addition of CN-, the color of solution (Vethanol∶Vwater = 9∶1, 10-5 mol/L) is immediately changed from pink to colorless, while the fluorescence of solution is also changed from weak (Φf= 0.07) to strong blue fluorescence(Φf= 0.20). At the same time, other common anions such as F-, Cl-, Br-, I-, BF4-, ClO4-, NO3-, do not interfere with the detection of CN-. The calculated detection limit is as low as 0.067 μmol/L, far below the World Health Organization’s highest standard for CN- content in drinking water (1.9 μmol/L).

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备注/Memo

备注/Memo:
收稿日期:2020-12-03基金项目:武汉工程大学第十一届研究生创新基金(000056-00493301)作者简介:王佳佩,硕士研究生。E-mail:[email protected]*通讯作者:黎俊波,博士,教授。E-mail:[email protected]引文格式:王佳佩,李雅琴,王晓帆,等. 高灵敏度的氰根离子荧光探针的合成及其性质研究[J]. 武汉工程大学学报,2021,43(2):119-123.高灵敏度的氰根离子荧光探针的合成及其性质研究
更新日期/Last Update: 2021-04-26