Method development for the determination of sulfonylurea herbicides residue in rice using liquid chromatography-mass spectrometry

Sulfonylurea herbicides (SUHs) are widely used for controlling weeds in paddy. The residue of these herbicides may contaminate to rice. Thus, an analysis of Sulfonylurea herbicide residue was conducted. A determination method of Sulfonylurea herbicides was developed and validated seven compounds. Trace determination level was based on liquid liquid extraction and followed by solid phase extraction as a sample preparation step. Octadecyl (C18) was coupled with aminopropyl (NH[subscript 2]) cartridge which isolated and cleaned up...
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