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采用灵敏度很高的气相色谱 /负离子化学电离质谱 (GC/NICIMS)对 9种国际奥委会禁用药物 β2 -激动剂进行分析研究 ,比较了不同衍生化方法得到的产物在NICIMS上的响应。确定了五氟丙酸酐衍生化产物有最佳的灵敏度 ,适合此类药物的检测要求。重点对克伦特罗尿样进行了检测 ,其结果符合实际工作的需要
Nine kinds of IOC banned drug β2 - agonists were analyzed by high performance gas chromatography / anion chemical ionization mass spectrometry (GC / NICIMS). The responses of NICIMS to products obtained by different derivatization methods were compared. Determine the pentafluoropropionic anhydride derived products have the best sensitivity for the detection of such drugs. Clenbuterol urine samples were mainly tested, the results meet the needs of practical work