Multi-residue method for determination of seven neonicotinoid insecticides in grains using dispersive solid-phase extraction and dispersive liquid-liquid micro-extraction by high performance liquid chromatography

► The focus is simultaneous determination of seven neonicotinoid residues in grains. ► It is a rapid and reliable method that we have developed to analyse seven pesticides. ► It is the first time to analyse seven neonicotinoid residues in maize, millet and oat.