水杨醛衍生物的合成及其离子识别性能研究  

Study on Synthesis of Salicylaldehyde Derivative and Its Ions Recognition Properties

作　　者：杨丽[1] 冷慧婷 陈新 Yang Li;Leng Huiting;Chen Xin(Department of Practical Trainings,West Anhui University,Luan 237012,China;College of Materials and Chemical Engineering,West Anhui University,Luan 237012,China)

机构地区：[1]皖西学院实训部,安徽六安237012 [2]皖西学院材料与化工学院,安徽六安237012

出　　处：《山东化工》2023年第11期40-43,47,共5页Shandong Chemical Industry

基　　金：皖西学院高层次人才科研启动经费资助项目(WGKQ2022099)。

摘　　要：两步法合成了水杨醛衍生物(罗丹明6G酰肼缩水杨醛),首先由罗丹明6G和水合肼反应合成罗丹明6G酰肼,再和水杨醛缩合制备席夫碱。并以此为探针L,通过荧光光谱法和紫外-可见吸收光谱法(UV-Vis)研究其对金属阳离子溶液的识别性质。实验结果表明:该探针用UV-Vis法均可识别Cu^(2+),并且不受其他阳离子干扰,紫外光谱识别Cu^(2+)的检测限LOD=9.09×10^(-7)mol/L,Cu^(2+)和探针L的络合比为1∶1。荧光光谱法可识别Bi^(3+),且受其他阳离子干扰较小,荧光光谱识别Bi^(3+)的检测限LOD=2.823×10^(-9)mol/L,Bi^(3+)和探针L的络合比为2∶1。Rhodamine 6G hydrazide-salicylaldehyde Schiff base(L)was synthesized via two steps.Firstly,Rhodamine 6G hydrazide was obtained through reaction between Rhodamine 6G and hydrazine hydrate,and then synthesis of Schiff base probe L was carried out between Rhodamine 6G hydrazide and salicylaldehyde.Recognition properties of probe L for metal ions were studied by colorimetry,fluorescen-ce spectroscopy and UV-Vis absorption spectroscopy,respectively.The results showed that the probe can recognize Cu^(2+)in natural light,365 nm ultraviolet light and UV-Vis method,and it was not interfered by other cations.The detection limit of Cu^(2+)in UV spectrum was LOD=9.09×10^(-7)mol/L,and the complex ratio of Cu^(2+)and probe L was 1∶1.Fluorescence spectroscopy can identify Bi^(3+)and was less disturbed by other cations.The detection limit of Bi^(3+)was 2.823×10^(-9)mol/L,and the complex ratio of Bi^(3+)to probe L was 2∶1.

关 键 词：罗丹明6G 水杨醛 金属阳离子识别 Bi3+ CU2+ 

分 类 号：TQ244.1[化学工程—有机化工] O657[理学—分析化学]