Identifikasi Klorpirifos pada Komoditi Kakao dengan Metode Kromatografi Gas

Abstract

The determination of chlorpyrifos pesticide residues in cocoa has been done that comes from Karo and Labuhan Batu district performed in Balai Besar Proteksi and Perbenihan Tanaman Perkebunan( BBPPTP ) Medan. Analysis has been done by sample extraction using acetone and dichloromethane. Extract is evaporated until almost dry and the residue is dissolved in isooctane and toluene and determined by gas chromatography using a flame photometric detector ( FPD) with filter P (526 nm). The Results showed that the cocoa from Karo and Labuhan Batu district does not found the content of chlorpyrifos.