Pyridine ionic liquid functionalized bimetallic MOF solid-phase extraction coupled with high performance liquid chromatography for separation/analysis sunset yellow

An effective method based on the pyridine ionic liquid functionalized bimetallic MOF solid-phase extractant (Cu/Co-MOF@[PrPy][Br]) coupled with high performance liquid chromatography (HPLC) for the separation/analysis sunset yellow was established. Cu/Co-MOF@[PrPy][Br] was characterized by FTIR, XRD...

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Bibliographic Details
Published in:RSC advances 2022-10, Vol.12 (48), p.3928-3935
Main Authors: Wu, Jun, Wan, Shuyu, Xu, Ouwen, Song, Hanyang, Yang, Jing, Zhu, Xiashi
Format: Article
Language:English
Subjects:
Bimetals
Chemistry
High performance liquid chromatography
Ionic liquids
Pyridines
Separation
Solid phases
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Summary:An effective method based on the pyridine ionic liquid functionalized bimetallic MOF solid-phase extractant (Cu/Co-MOF@[PrPy][Br]) coupled with high performance liquid chromatography (HPLC) for the separation/analysis sunset yellow was established. Cu/Co-MOF@[PrPy][Br] was characterized by FTIR, XRD, SEM and TEM. Several important factors, such as pH, amount of extractant, extract time, and types of eluents were investigated in detail. Under the optimal conditions, linear range of the method was 0.05-40.00 μg mL −1 , the detection limit was 0.02 μg mL −1 , and the linear correlation was good ( R 2 = 0.9992). The analysis of sunset yellow in soda, effervescent tablet and jelly proved that the method was simple and effective. An effective method based on the pyridine ionic liquid functionalized bimetallic MOF solid-phase extractant (Cu/Co-MOF@[PrPy][Br]) coupled with high performance liquid chromatography (HPLC) for the separation/analysis sunset yellow was established.
ISSN:2046-2069
2046-2069
DOI:10.1039/d2ra05980k