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Crystal violet-modified HKUST-1 framework with improved hydrostability as an efficient adsorbent for direct solid-phase microextraction
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Crystal violet-modified HKUST-1 framework with improved hydrostability as an efficient adsorbent for direct solid-phase microextraction
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Journal Article
Crystal violet-modified HKUST-1 framework with improved hydrostability as an efficient adsorbent for direct solid-phase microextraction
2021
Overview
Metal−organic frameworks (MOFs) have received extensive attention in adsorption applications owing to their high surface area. However, some MOFs do not perform well as the extraction medium when used under aqueous conditions. The low hydrostability of MOFs limits the practical application of these materials in solid-phase microextraction (SPME). Here, the fabrication of a water resistance SPME fiber coating is introduced based on the crystal violet (CV)-modified HKUST-1 framework on copper (Cu@HKUST-1@CV). The HKUST-1 was prepared by the in situ growth method, followed by post-synthetic modification of HKUST-1 with the CV layer. The preparation of the modified HKUST-1 was characterized by FESEM, XRD, FTIR, and DFT approaches. The prepared SPME coating was successfully employed for the quantification of anthracene (AN), as a model analyte, in water samples. The limit of detection was 0.8 ng mL
−1
. The developed method will open up a new door towards searching for promising materials in SPME applications.
Graphical abstract
Publisher
Springer Vienna,Springer,Springer Nature B.V
Subject
/ Anthracenes - isolation & purification
/ Characterization and Evaluation of Materials
/ Chemistry and Materials Science
/ Coatings
/ Copper
/ Metal-Organic Frameworks - chemistry
/ Solid Phase Microextraction - methods
/ Water Pollutants, Chemical - chemistry
