GB/T 5009.221-2008
ActiveDetermination of the residues of diquat in cereals
粮谷中敌草快残留量的测定
Application Summary AI generated
This standard specifies a method for determining diquat herbicide residues in cereals such as rice, wheat, and corn. It is applied in food safety testing laboratories and regulatory monitoring to ensure that diquat levels in grain products comply with maximum residue limits set by Chinese food safety regulations. The method involves liquid chromatography or mass spectrometry analysis after sample extraction and cleanup.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.