Selective detection of ionic liquid fluorescence probes for visual colorimetry of different metal ions.
Environ Res
; 242: 117791, 2024 Feb 01.
Article
in En
| MEDLINE
| ID: mdl-38043897
ABSTRACT
At present, the fast distinction of different metal ions in pure water media is not only a great challenge, but also drives the protection of water quality in environmental water bodies. In this paper, a novel ionic liquid fluorescent probe Glycolic Acid-L-Arginine (GA-L-Arg) was rationally created and designed through an in-depth study of ionic liquids. It is also used as an innovative multi-ion fluorescent probe for colorimetric detection and separate identification of Fe3+ and Co2+ in aqueous solutions of various metal ions. GA-L-Arg has excellent water solubility due to the strong hydrophilicity of Glycolic Acid and L-Arginine. The probe showed high sensitivity, extremely significant selectivity, and great pH stability for Fe3+ and Co2+ in pure water. The GA-L-Arg structure and the mechanism of Fe3+ and Co2+ detection were analyzed by infrared spectroscopic characterization and quantum chemical calculations. More importantly, the distinct colorimetric partitioning of Fe3+ and Co2+ was performed by the unique extraction of Fe3+ in the presence of the fluorescent probe and buffer solution.
Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Ionic Liquids
/
Glycolates
Language:
En
Journal:
Environ Res
Year:
2024
Document type:
Article