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DOI: 10.1002/jssc.202100703
The cover picture shows a novel method for the determination of four types of sulfonylurea herbicides in soils by switchable hydrophilic solvent‐based dispersive liquid‐liquid microextraction coupled with high‐performance liquid chromatography. Switchable hydrophilic solvent became an excellent extractant in sulfonylurea herbicide analysis due to the unique connection between...
In this study, switchable hydrophilic solvent‐based dispersive liquid‐liquid microextraction coupled with high‐performance liquid chromatography was developed for the determination of four sulfonylurea herbicides in soils. For the first time, the sample pretreatment was achieved due to the similar acid‐base status of sulfonylurea herbicides and switchable hydrophilic solvent. In the extraction step,...
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