A novel highly selective colorimetric sensor for aluminum (III) ion using Schiff base derivative
Dong-Fang Wang1, Ying-Chang Ke1, Hong-Xu Guo1
1Department of Chemistry & Environmental Science, Minnan Normal University, Zhangzhou 363000, PR China.
Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
|December 10, 2013
Summary
A new sensor, 2-hydroxy naphthaldehyde isonicotinoyl hydrazone (HINH), detects aluminum ions with high sensitivity and selectivity. This colorimetric method offers a low detection limit for aluminum cation (Al3+) in solution.
Area of Science:
- Analytical Chemistry
- Materials Science
- Inorganic Chemistry
Background:
- Selective and sensitive detection of metal ions is crucial in environmental monitoring and biological systems.
- Aluminum cation (Al3+) plays significant roles in various industrial processes and biological functions, necessitating accurate quantification.
- Development of novel chemosensors for specific ion detection remains an active area of research.
Purpose of the Study:
- To synthesize a novel colorimetric sensor, 2-hydroxy naphthaldehyde isonicotinoyl hydrazone (HINH).
- To investigate the selectivity and sensitivity of HINH for aluminum cation (Al3+) detection.
- To establish a simple and effective method for quantifying Al3+ using UV-vis spectroscopy.
Main Methods:
- Synthesis of 2-hydroxy naphthaldehyde isonicotinoyl hydrazone (HINH) via condensation reaction.
- Colorimetric detection of metal cations in CH3CN/H2O (1:3) binary solutions.
- UV-vis spectroscopy for analyzing spectral changes upon ion binding and determining detection limits.
Main Results:
- Successfully synthesized HINH with a straightforward condensation method.
- Demonstrated effective colorimetric single selectivity for aluminum cation (Al3+).
- Achieved high sensitivity with a low detection limit of 1.0×10(-8) M for Al3+ based on UV-vis spectral changes.
Conclusions:
- HINH is a highly selective and sensitive colorimetric sensor for aluminum cation (Al3+).
- The developed method provides a simple, rapid, and effective approach for Al3+ detection.
- This sensor holds potential for practical applications in aluminum ion monitoring.
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