文章简介
毛细管柱气相色谱法测定保健食品及中药材中六六六、滴滴涕和五氯硝基苯残留量的分析
  

  • 摘要:以日常保健品食品、中药材为研究对象,建立了用毛细管柱气相色谱测定不同、保健品食品、中药材中六六六、滴滴涕、五氯硝基苯的检测方法。样品经浸泡、过滤、净化、浓缩处理后,供气相色谱分析。经HP-5MS(30m×320μg×0.25μm)分离,电子捕获检测器(ECD)测定,以保留时间定性,峰面积外标法进行定量。结果:本方法在0.002~0.04μg.ml-1浓度范围内和峰面积成良好的线性关系,相关系数R=0.9990~0.9999;平均加标回收率为89.8~97.9%;最低检出限为0.19μg.kg-1;相对标准偏差(RSD)为1.4~5.5%。该方法简便、快捷、准确、可靠,抗干扰性好、且分析时间短,适用于保健品食品、中药材中六六六、滴滴涕、五氯硝基苯的检测分析。
  • Abstract: the day-to-day health food, Chinese herbal medicines as the research object, has been established using capillary column gas chromatographic determination of different, health food, Chinese herbal medicine of BHC, DDT, PCNB, detection Methods. The sample was soaked, filtration, purification and concentration after treatment, gas chromatographic analysis. By HP-5MS (30m*0.25μm*320 m), and electron capture detection (ECD) for determination, based on retention time, peak area of the external standard method was used for quantitative analysis. Results: This method in the concentration range of 0.002~0.04 ug.ml-1 and a good linear relationship between the peak area, and the correlation coefficient r=0. 9990~0.9999; The average recoveries of 89.8~97.9%; The lowest detection limit is 0.19 ug.kg-1; The relative standard deviation (RSD) was 1.4~5.5%. This method is simple, Quick, accurate and reliable, anti-interference, and the shortened time of analysis and applies to health food, Chinese herbal medicine of BHC and DDT, PCNB detection and analysis.



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