1. Chloramphenicol and nitrofurans were added to the sampling plan of 2003.
   2003年还新增加了氯霉素和硝基呋喃的检测抽样；
2. Objective:To develop a method for determining the metabolites of nitrofuran antibiotics in aquatic products by HPLC-MS/MS using isotope internal standard dilution technique.
   目的:建立测定水产品中呋喃唑酮、呋喃它酮、呋喃西林和呋喃妥因等硝基呋喃代谢物的同位素内标稀释高效液相色谱-串联质谱法。

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