测定食品中苯并[a]芘的气相色谱-质谱法研究

研究了用气相色谱—质谱法测定食品中的苯并a]芘的含量，该方法与荧光分光光度法比较具有可操作性强、准确度高和避免实验人员长时间受紫外线的照射等特点，可以定量测定苯并a]芘的含量。并对特性基本相同的各种样品进行了加标回收检验，其回收率在85％以上，相关系数〉0．9980，RSD〈6．5％。

Study of GC-MS method in testing benz[a]pyrene in food

This paper gives out a comprehensive research on the methodology of GC-MS(Gas Chromatography-Mass Spectrometry) for quantitatively determining the concentration of Benz(a)pyrene in food,which is proved to have,compared with the fluorescence spectrophotometry,higher operability and accuracy.It also overcomes the difficulty of long time exposure under the ultraviolet,to the operating personnel.Adding standard substance recovery test on identified specimens of similar property also verified the advantage,recovery percent: >85%;recursive correlation coefficient:>0.9980; RSD:<6.5%.