Validation of Methods for Determination of Nitrofuran Metabolites Residues in Food of Animal Origin
This paper verifies the method of GB/T 21311-2007.The results showed that the 4 nitrofuran metabolites,including 1-amino-hydantoin,5-morpholinomethyl-3-amino-2-oxalidinone,3-amino-2-oxalidinone and semicarbazide,had a good linear relationship in the range of 0.50～20.00 ng·mL-1(internal standard concentration 10 ng·mL-1),the correlation coefficient was＞0.99,and the average recovery rate was 98.6%～102.0%.The relative standard deviation is 0%～1.140%.The sensitivity of the method meets the requirements specified in the standard method.
nitrofuran metabolitehigh performance liquid chromatography-tandem mass spectrometrymethod validation
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