| 微波消解-ICP-AES法测定化妆品中8种有毒元素 |
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| 引用本文： | 严锦雄. 微波消解-ICP-AES法测定化妆品中8种有毒元素[J]. 化学分析计量, 2010, 19(1): 27-29 |
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| 作者姓名： | 严锦雄 |
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| 作者单位： | 高宝化妆品(中国)有限公司测试中心,东莞,523581 |
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| 摘 要： | 采用微波消解-电感耦合等离子体发射光谱法(ICP-AES)对化妆品中Ba、Pb、Cd、Sb、Se、Cr、Hg、As8种有毒元素进行同时测定,通过试验确定了仪器参数和各元素的分析线。8种元素的浓度在0～10mg/L均与响应值呈线性关系,相关系数大于0.9995。8种元素测定结果的相对标准偏差均小于10%(n=3),方法检测限小于0.04mg/kg。样品中各元素的加标回收率为82.1%～108.7%。该方法适用于大批量的化妆品检测。
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| 关 键 词： | ICP—AES 微波消解 化妆品 有毒元素 |
DETERMINATION OF EIGHT TOXIC ELEMENTS IN COSMETIC BY MICROWAVE DIGESTION-INDUCTIVELY COUPLED PLASMA-ATOMIC EMISSION SPECTROMETRY |
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| Yan Jinxiong. DETERMINATION OF EIGHT TOXIC ELEMENTS IN COSMETIC BY MICROWAVE DIGESTION-INDUCTIVELY COUPLED PLASMA-ATOMIC EMISSION SPECTROMETRY[J]. Chemical Analysis And Meterage, 2010, 19(1): 27-29 |
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| Authors: | Yan Jinxiong |
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| Affiliation: | Yan Jinxiong [ Global Cosmetic (China) Co. Ltd. ,Testing Center, Dongguan 523581, China] |
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| Abstract: | A method of simultaneous determination of eight toxic elements in cosmetic by microwave digestion - ICP - AES was developed. Apparatus parameters and eight elements analysis lines were confirmed by experiment. In the range of 0 -10 mg/L, each element concentration was linear with response value. The linear correlation coefficients were more than 0. 999 5, and the detection limits were less than 0.04 mg/kg. Adding recoveries for cosmetic sample were in the range of 82.1% - 108.7% , and relative standard deviations of detection results were less than 10%. The method was suitable for detecting toxic elements in cosmetics. |
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| Keywords: | ICP-AES |
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