其优点在于，在样品预处理中，采用简便的一次液-液萃取法对血清中氯霉 素进行净化和富集；
The method has the advantages that: in the sample pretreatment, a simple liquid-liquid extraction method is adopted to purify and enrich the chloramphenicol in the serum;
其优点在于，在样品预处理中，采用简便的一次液-液萃取法对血清中氯霉 素进行净化和富集；
The method has the advantages that: in the sample pretreatment, a simple liquid-liquid extraction method is adopted to purify and enrich the chloramphenicol in the serum;
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