Analisis Residu Insektisida, Fosfat Dan Klorida Pada Tanaman Sawi Putih (Bras…

Residues of three insecticides i.e diazinon, chlorpyrifos and profenofos that used in Padang Laweh field, West Sumatera for chicory (Brassica peckinensis L) has been analyzed by using Gas Chromatography. Concentration of phosphate was analysed by using UV-Visible spectrophotometric while argentometric Mohr was used to determine the concentration of chloride. Samples were washed using fresh and …