METHOD FOR ASSAY OF 2-[4-(5-TRIFLUOROMETHYLPYRIDYL-2-OXY)PHENOXY]PROPIONIC ACID N-BUTYL ESTER IN BIOLOGICAL MATERIAL

摘要

FIELD: analytical chemistry. ^ SUBSTANCE: analysis of a sample involves its milling, infusion with acetone, filtration of acetone extraction, concentrating and purification by chromatography method. The concentration is purified in column by using a normal-phase sorbent silica gel L 40/100mu and a mixture hexane-acetone (8:2) as a mobile phase. The following chromatography determination is carried out by HPLC method in column filled with sorbent "Nova-Pak C-18" using a mixture acetonitrile-water (7:3) as a mobile phase and a detector based on photodiode array. Method provides enhancing sensitivity of assay. Invention can be used in practice of sanitary-epidemiological stations, chemical-toxicological, veterinary and ecological laboratories. ^ EFFECT: improved assay method. ^ 3 tbl