文章摘要
郭振丽,杨杨,高超颖,刘景林,段莉梅.多枝状罗丹明酰腙类比色探针的合成及对Cu2 的识别研究[J].精细化工,2020,37(11):
多枝状罗丹明酰腙类比色探针的合成及对Cu2 的识别研究
Multi-branched rhodamine Colorimetric Probe: synthesis and recognition for Cu2
投稿时间:2020-05-30  修订日期:2020-07-16
DOI:
中文关键词: 罗丹明  比色探针  Cu2+识别  灵敏度  检测限
英文关键词: rhodamine  colorimetric probe  Cu2 recognition  sensitivity  LOD
基金项目:国家自然科学基金项目(面上项目,重点项目,重大项目)
作者单位E-mail
郭振丽 内蒙古民族大学 guozhenli96@163.com 
杨杨 内蒙古民族大学 yangyang-000@163.com 
高超颖 内蒙古民族大学  
刘景林 内蒙古民族大学  
段莉梅 内蒙古民族大学  
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中文摘要:
      将罗丹明酰肼和2,4,6-三甲酰基间苯三酚缩合得到多枝状苯三酚-罗丹明酰腙类比色探针分子 RbTP。该探针在丙酮-水溶液中可以快速识别Cu2+,并具有良好的灵敏度和抗干扰能力,其它共存离子如Ag+、Al3+、Fe2+、Fe3+、Zn2+、Pb2+、Ni2+、Cd2+、Co2+和Hg2+无光谱响应。探针在556 nm处最大吸收强度与加入的Cu2 体积(0~36 μL)之间呈良好的线性关系,探针对Cu2+ 的检测限约为1.33*10-6 mol/L。将探针溶液中分别加入Cu2+和EDTA循环5次,RbTP仍然能可逆性检测出Cu2+。循环实验和Job's Plot测试证实RbTP与Cu2+通过络合过程发生快速响应,二者的化学计量比为1:3。
英文摘要:
      In this paper, a multi-branched colorimetric rhodamine triformylphloroglucinol hydrazone probe RbTP was prepared by condensation reaction between rhodamine hydrazide and 2,4,6-Triformylphloroglucinol. In aqueous acetone solution, the probe can quickly recognize Cu2+ with good sensitivity and anti-interference ability, whereas other ions including Ag+ , Al3+, Fe2+, Fe3+, Zn2+, Pb2+, Ni2+, Cd2+, Co2+ and Hg2+ showed no such spectral change. There was a good linear relationship between the maximum absorption intensity and the volume of Cu2+ (0~36 μL). The limit of detection (LOD) for Cu2+ was estimated to be to 1.33?10-6 mol/L. After 5 times periodically alternating addition of Cu2+ and EDTA, the probe could still detect Cu2+ reversibly. The cyclic experiment and Job's Plot test confirmed that the reaction between RbTP and Cu2+ was through the complexation process and the stoichiometric ratio was 1:3.
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