化妆品中汞含量的热解析快速测定法  

Rapid determination of mercury in cosmetics by thermal decomposition method

作　　者：王丽[1] 胡平[1] 张弘[1] 卜宪岭[1] 

机构地区：[1]河北省石家庄市疾病预防控制中心,050011

出　　处：《职业与健康》2012年第19期2360-2361,共2页Occupation and Health

摘　　要：目的建立利用热解析法对化妆品中汞含量快速测定的方法。方法确定进行汞含量测定所需要的仪器工作参数。研究样品检测所需的不同实验条件,做出标准曲线。结果相对标准偏差小于3%,样品加标回收率在95%～105%之间,方法的检出限为0.02 ng。结论方法的精密度、准确度良好,且简单、快速,准确,适用于化妆品中汞含量的测定。[Objective]To establish a method for rapid determination of mercury in cosmetics by thermal decomposition method.[Methods]The working parameters of the instrument for determination of mercury content were determined.The different experimental conditions were studied to establish the standard curve.[Results]The RSD was less than 3%,the recovery of standard addition was between 95% and 105%,and the detection limit was 0.02 ng.[Conclusion]This method has good precision and accuracy,and it is simple,rapid and accurate,which is suitable for the determination of mercury in cosmetics.

关 键 词：化妆品 汞 高温氧化分解 热解析 

分 类 号：R115[医药卫生—公共卫生与预防医学]