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Recebido em 16/12/03; aceito em 4/1/05; publicado na web em 28/2/05 METHOD FOR DETERMINATION OF HEXAZINONE AND TEBUTHIURON IN WATER. This work presents an alternative method for determination of the herbicides tebuthiuron and hexazinone in ground water. The extraction was made with dichloromethane and the analyses by high performance liquid chromatography (HPLC), using reversed-phase column, C-18, mobile phase methanol/water 50:50, v/v, detection and quantification at 247 nm. The followingdoi:10.1590/s0100-40422005000300003 fatcat:4lzoefllsjdkjejzh7bewi2zrq