| 电感耦合等离子体质谱法测定中药提取物中铅、镉、砷和汞 |
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| 引用本文： | 商博东,吕光,张维,杨君,党亚敏,陆珩.电感耦合等离子体质谱法测定中药提取物中铅、镉、砷和汞[J].中国卫生检验杂志,2010(2). |
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| 作者姓名： | 商博东 吕光 张维 杨君 党亚敏 陆珩 |
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| 作者单位： | 天津市疾病预防控制中心; |
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| 摘 要： | 目的:建立电感耦合等离子体质谱法测定中药提取物中铅、镉、砷和汞的分析方法。方法:采用高压消解法对样品进行前处理,以72Ge、115In、209Bi作为内标消除非质谱干扰,碰撞反应池消除质谱干扰,采用ICP-MS测定Pb、Cd、As、Hg。结果:方法的线性范围宽,相关系数均>0.999,检出限为0.001~0.05μg/L,回收率在91.4%~105%,相对标准偏差为0.68%~2.69%,对两种国家标准物质测定,测定值均与真值相吻合。结论:方法精密、准确、可靠,可满足正常来样检测的需要,便于推广。
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| 关 键 词： | ICP-MS 中药提取物 元素 |
Determination of lead,cadmium,arsenic and hydrargyrum in chinese traditional medicine extracts by inductively coupled plasma mass spectrometry |
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| SHANG Bo-dong,LV Guang,ZHANG Wei,YANG Jun,DANG Ya-min,LU Heng.Determination of lead,cadmium,arsenic and hydrargyrum in chinese traditional medicine extracts by inductively coupled plasma mass spectrometry[J].Chinses Journal of Health Laboratory Technology,2010(2). |
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| Authors: | SHANG Bo-dong LV Guang ZHANG Wei YANG Jun DANG Ya-min LU Heng |
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| Institution: | SHANG Bo-dong,LV Guang,ZHANG Wei,YANG Jun,DANG Ya-min,LU Heng(Tianjin Center for Disease Control , Prevention,Tjianjin 300011,China) |
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| Abstract: | Objective:To establish a method for determination of lead,cadmium,arsenic and hydrargyrum in chinese traditional medicine extracts by inductively coupled plasma mass spectrometry.Methods:The pretreatment was performed using high-pressure digestion technique,with 72Ge,115In,209Bi as the internal standards to eliminate non-spectroscopic interference and collision reaction cell to eliminate mass spectroscopic interference.ICP-MS was used to determine Pb,Cd,As,Hg.Results:This method had a wide linear range,the ... |
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| Keywords: | ICP-MS Chinese traditional medicine extracts Elements |
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