Facile preparation of stainless steel microextraction fiber via in-situ growth of metal-organic framework UiO-66 and its application to sensitive analysis of polycyclic musks

Journal of Separation Science
Chenchen LinZenghong Xie

Abstract

A functional stainless steel microextraction fiber facilely prepared by in-situ growing metal-organic framework UiO-66 was presented and used for high-performance analysis of polycyclic musks. Via the robust Ag-SH bonding reaction, mercaptoacetic acid was easily anchored on Ag film to provide carboxyl group on the stainless steel fiber, then in-situ grown UiO-66 was fulfilled via the coordination reaction between Zr4+ and carboxyl group. Good characteristics including large surface area, high thermal stability and good adsorption property were achieved. Sensitive detection limits (0.015-0.04 ng·L-1 ) were achieved for polycyclic musks by coupling with GC-MS, and it could be stable enough for 150 extraction cycles without a significant loss of extraction efficiency. Compared with the classical commercial fibers, 2.2-11.4 times higher enhancement factors were shown. Applied to the analysis of fortified river water samples, five typical polycyclic musks were well detected with the recoveries of 90.2%-101.8%, respectively. It lighted a facile approach for preparing stainless steel microextraction fiber via chemically bonding in-situ grown metal-organic framework for the high-performance enrichment. This article is protected by copy...Continue Reading

References

Sep 27, 2008·Journal of the American Chemical Society·Jasmina Hafizovic CavkaKarl Petter Lillerud
Sep 18, 2016·Analytica Chimica Acta·Priscilla Rocío-BautistaVerónica Pino
Jun 20, 2017·Journal of Separation Science·Yonghua WangGuanghua Lu
Oct 17, 2018·The Science of the Total Environment·Jitka TumováHana Kocour Kroupová
Jul 4, 2019·Journal of Separation Science·Jun-Young LeeHae Won Jang

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