国产ICP-MS在食品中多种重金属元素分析中的应用

来源 :中国化学会第二届全国质谱分析学术报告会 | 被引量 : 0次 | 上传用户：petitlxr

【摘要】

：

　　将食品样品置于聚四氟乙烯罐中，加入硝酸及过氧化氢后在微波消解仪中密闭加热消解.消解完全后通过国产电感耦合等离子体质谱仪(ICP-MS)测定铬、锰、铜、镉、汞、铅等6种重

【作者】

：

汪雨祖文川武彦文李冰宁

【机构】

：

北京市理化分析测试中心,北京,100089

【出处】

：

中国化学会第二届全国质谱分析学术报告会

【发表日期】

：

2015年期

【关键词】

：

ICP-MS 食品样品重金属元素分析电感耦合等离子体质谱仪消解仪相对标准偏差聚四氟乙烯加标回收率

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论文部分内容阅读

　　将食品样品置于聚四氟乙烯罐中，加入硝酸及过氧化氢后在微波消解仪中密闭加热消解.消解完全后通过国产电感耦合等离子体质谱仪(ICP-MS)测定铬、锰、铜、镉、汞、铅等6种重金属元素.在0.5-10μg/L标准溶液浓度范围内，各元素的离子信号强度与浓度呈良好的线性关系.加标回收率在69.3-103.1％之间，相对标准偏差小于5％.实验结果表明国产ICP-MS已经能够满足食品中重金属元素的分析要求.

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国产ICP-MS在食品中多种重金属元素分析中的应用

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