Electrodeposition of zeolitic imidazolate framework coating on stainless steel wire for solid-phase microextraction of polycyclic aromatic hydrocarbons in water samples

An electrochemically fabricated ZIF-67/[HOEMIM]BF4 coating for the solid-phase microextraction and detection of polycyclic aromatic hydrocarbons

“…The ionic liquids (ILs) modified ZIF-67 coating was prepared according to ref. 42 with slight modifications. As shown in Fig.…”

Supramolecular Materials as Solid-Phase Microextraction Coatings in Environmental Analysis

“…The DI-SPME-GC-FID method was characterized by limit of detections (LODs) in the 0.6–2 μg/L range and relative standard deviations (RSDs) ≤ 23%; however, a strong matrix effect was observed when wastewater samples were analyzed. Lian and coworkers studied the in situ electrochemical deposition of ZIF-8 onto SS wires pretreated using dopamine under alkaline conditions [ 56 ]. A homogeneous porous coating characterized by very high thermal stability (up to 460 °C) was obtained.…”

Latest Improvements and Expanding Applications of Solid-Phase Microextraction

“…The glue method is still the most frequently used in the latest works. − The additive-free methods, including electrodeposition and in situ assembly/growth, have also been developed. − ZIF-8 and polypyrrole have been coated on the surfaces of stainless steel wires by electrodeposition, and the compact layers with controllable thickness can be obtained by changing the applied voltage and deposition time. , The electrodeposition methods have demonstrated the advantages of simple operation, fast speed, less reagent consumption, and low-temperature requirement. On the other hand, the in situ synthesis of adsorbent on the surface of the SPME core is a popular method, in which the SPME core must be cleaned, activated, and modified.…”