| 气相色谱-质谱联用法测定化妆品中邻苯二甲酸酯类化合物的不确定度评定 |
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| 引用本文： | 徐宁,朱虹.气相色谱-质谱联用法测定化妆品中邻苯二甲酸酯类化合物的不确定度评定[J].化学分析计量,2010,19(5):10-13. |
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| 作者姓名： | 徐宁 朱虹 |
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| 作者单位： | 汕头市质量计量监督检测所,汕头515041 |
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| 摘 要： | 气相色谱-质谱联用法测定化妆品中邻苯二甲酸酯类化合物不确定度的主要来源有标准溶液引入的不确定度、样品引入的不确定度、样品处理过程中引入的不确定度。以邻苯二甲酸二丁酯(DBP)为例,对各不确定度分量进行了评定,计算了合成不确定度和扩展不确定度。当化妆品中DBP测量结果为10.39 mg/L时,其扩展不确定度为0.50 mg/L(k=2)。
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| 关 键 词： | 气相色谱-质谱联用仪 化妆品 邻苯二甲酸酯 不确定度 |
UNCERTAINTY EVALUATION OF DETERMINATION OF PHTHALATE ESTERS IN COSMETICS BY GAS CHROMATOGRAPHY-MASS SPECTROMETRY |
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| Xu Ning,Zhu Hong.UNCERTAINTY EVALUATION OF DETERMINATION OF PHTHALATE ESTERS IN COSMETICS BY GAS CHROMATOGRAPHY-MASS SPECTROMETRY[J].Chemical Analysis And Meterage,2010,19(5):10-13. |
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| Authors: | Xu Ning Zhu Hong |
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| Institution: | (Shantou Institute of Supervision and Test of Quality and Metrology, Shantou 515041 , China) |
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| Abstract: | The main sources of uncertainty of determination of phthalate esters in cosmetics by gas chromatography - mass spectrometry were the standard solution, the sample, the sample handling course. Dibutyl phthalate （DBP） as an example, each uncertainty component was evaluated. The combined uncertainty and expanded uncertainty were calculated. As the measuring the results of DBP in cosmetics was 10.39 mg/L, the expanded uncertainty was 0.50 mg/L （k = 2）. |
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| Keywords: | gas chromatography - mass spectrometer cosmetics phthalates uncertainty |
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