A Novel Method of Homogeneous Liquid–Liquid Microextraction via Flotation Assistance Coupled to Liquid Chromatography for the Determination of Trace Imidacloprid in Water Samples
作者： Mohammad Rezaee , Mohammad Reza Pourjavid , Mostafa Tajik , Faezeh Khalilian
DOI: 10.1134/S1061934820120114
关键词:
摘要: This paper describes a novel method for the sensitive determination of imidacloprid using homogeneous liquid−liquid microextraction via flotation assistance (HLLME-FA) in water samples. After extraction procedure, low density organic solvent was separated by air flotation. Various parameters affecting efficiencies such as types and solvents, volumes time ionic strength were studied. Under optimized conditions, detection limit 0.02 µg/L. The experimental results indicated that there good linearity (r2 = 0.9995) over range 0.25–500 relative standard deviation (n 3) at concentration level 1.0 µg/L sea, well river samples 11.1%. proposed has been successfully applied to real
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