Journal
NEW JOURNAL OF CHEMISTRY
Volume 45, Issue 18, Pages 8054-8063Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1nj00871d
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Funding
- science, technology & innovation funding authority (STDF) [25746]
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A new material was fabricated based on the Schiff base reaction to detect Zn2+ ions through covalent attachment of NH2-MIL-53(Al) and 3-FSA ligand. The sensor showed sensitivity and selectivity in detecting Zn2+ ions in cosmetic products, with validation through comparison with ICP-OES.
A material was fabricated based on the Schiff base reaction to achieve covalent attachment of NH2-MIL-53(Al) and the 3-formylsalicylic acid ligand (3-FSA) for fluorimetric detection of Zn2+ ions based on inhibition and destruction of C=N isomerization and ESIPT. The low limit of detection and limit of quantification were calculated at optimum conditions. The selectivity of the 3-FSA sensor was achieved against some interfering ions. The new sensor was applied for the determination of Zn2+ ions in cosmetic cream products and the obtained results were validated through comparison with ICP-OES. The data indicated that the 3-FSA sensor provided a sensitive, selective, fast, direct and efficient determination of Zn2+ ions with good reproducibility and reversibility.
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