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发明公开
CN103293265A 烟用拉线中17种邻苯二甲酸酯类化合物的气相色谱-质谱联用检测方法 无效 - 撤回

烟用拉线中17种邻苯二甲酸酯类化合物的气相色谱-质谱联用检测方法
摘要：
本发明公开了一种烟用拉线中17种邻苯二甲酸酯类化合物的气相色谱-质谱联用检测方法。该方法包括内标萃取液、标准工作溶液和样品溶液的制备，气相色谱质谱条件及测定结果的计算等步骤。经改进和优化之后的检测方法具有操作简单准确、灵敏度高、回收率高及重复性好等优点，本发明方法利用内标定量，有效的减小因前处理或仪器精密度等带来的误差。所采用的色谱条件使17种目标化合物及内标色谱峰都达到了较好的分离度，并且具有较好的线性相关性，检出限在0.2～2.1mg/Kg之间，加标回收率在81%～113%之间，相对标准偏差(RSD)均小于5%。
摘要（英）：

The invention discloses a gas chromatography-mass spectrometry combined detection method of 17 phthalate compounds in a cigarette stay wire. The method comprises the steps of preparation of internal standard extract, a standard working solution and a sample solution, calculation of a gas chromatography-mass spectrometry condition and a determination result and the like. The improved and optimized detection method has the advantages of being simple and accurate to operate, high in sensitivity, high in yield, good in repeatability and the like. According to the method, an error caused by pretreatment or instrument precision and the like is effectively reduced by adopting internal standard; the 17 target compounds and an internal standard chromatographic peak achieve good separating degree by the adopted chromatographic condition; the gas chromatography-mass spectrometry combined detection method has good linear dependence; the detection limit is 0.2-2.1mg/Kg; the mark recovery rate is 81-113%; and the relative standard deviation (RSD) is smaller than 5%.

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