Monolinuron

TL;DR: Solid-phase microextraction coupled with high-performance liquid chromatography was successfully applied to the analysis of nine phenylurea herbicides to investigate the effects of the properties of analytes and fiber coatings.

TL;DR: Under the proposed conditions matrix effects were low enough to permit calibration with samples proceeding from ecological (non-pesticide treated) crops and limits of quantification obtained with NPD and MS (selected-ion monitoring) were in the microg/kg order allowing determination of maximum residue levels (MRLs) established in the Spanish regulations.

TL;DR: In this article, the usefulness of Ca alginates as matrix material for controlled release formulations was investigated with the herbicides monolinuron (1), desmetryn (2), chloridazon (3), atrazine (4), MCPB (5), simazine (6) and chloroxuron (7) as active ingredients.

TL;DR: A method was developed for the simultaneous determination of 15 phenylurea herbicides in rice and corn samples by HPLC with fluorescence detection combined with UV decomposition and post-column derivatization, and the linearity was satisfactory.