Quimica nova | |
A HIGHLY SELECTIVE FLUORESCENT SENSOR FOR DETECTION OF TRIVALENT METAL IONS BASED ON A SIMPLE SCHIFF-BASE | |
Ding, Yongjie1  | |
[1] Zhoukou Normal University, P. R. China | |
关键词: Schiff-base; crystal structure; fluorescence sensor; trivalent metal ion; hydrolysis.; | |
DOI : 10.21577/0100-4042.20170229 | |
学科分类:化学(综合) | |
来源: Sociedade Brasileira de Quimica | |
【 摘 要 】
A simple and easily synthesized fluorescent sensor L, based on condensation reaction of 1-Naphthylamine and terephthalaldehyde, was synthesized and characterized systemically. Both UV-vis and fluorescence spectroscopic studies indicated that the sensor L showed good selectivity toward trivalent metal ions (such as Al3+, Fe3+, Cr3+, La3+ and Ce3+) over other monovalent or divalent metal ions. The sensing mechanism was suggested that the trivalent ion promoted the hydrolysis of Schiff base. Meanwhile, took the common trivalent ions Al3+, Fe3+ and Cr3+ as examples, limit of detection (LOD) values of sensor L were calculated to be 1.23, 0.94 and 1.14 nM for Al3+, Cr3+ and Fe3+, respectively, suggesting very high sensitivity towards the cations which could make it attractive in trivalent metal ions detection.
【 授权许可】
CC BY
【 预 览 】
Files | Size | Format | View |
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RO201910252273549ZK.pdf | 3476KB | download |