- Article
A Carboxyl Group-Functionalized Ionic Liquid Hybrid Adsorbent for Solid-Phase Extraction and Determination of Trace Diclofenac Sodium in Milk Samples
- Hongrui Yang,
- Chen Wang,
- Wenjuan Zhu,
- Pingning Jin,
- Fei Li and
- Jing Fan
A simple and efficient sample pretreatment technology is very important for the accurate determination of trace drug residues in foods to ensure food safety. Herein, we report a new carboxyl group-functionalized ionic liquid hybrid solid- phase adsor...