电感耦合等离子体原子发射光谱分析食品营养强化剂中的痕量元素

被引：6

作者：

段建坤

曾爱民

杨永

朱有涛

唐立平

沈丽

机构：

[1] 国家饮料及粮油制品质量监督检验中心(武汉产品质量监督检验所)

来源：

食品科技 | 2011年 / 36卷 / 11期

关键词：

营养强化剂; 电感耦合等离子体原子发射光谱; 基体效应; 痕量元素;

D O I：

10.13684/j.cnki.spkj.2011.11.044

中图分类号：

TS207.3 [食品分析与检验];

学科分类号：

摘要：

以电感耦合等离子体发射光谱(ICP-OES)作为检测手段分析了营养强化剂中的钙、钾、钠、铁、锌、锰、铅和砷等元素。研究了样品基体对于分析过程的影响,实验结果表明,有机强化剂浓度不超过20 g/L,无机强化剂中的无机金属元素含量不超过2 g/L时,可以认为基体没有影响。考察了不同的样品处理方式的优缺点。比较了校正曲线法(外标法)和基体匹配法两种定量分析方法,发现前者的分析性能更为优越。分析了6种强化剂中的钙、钾、钠、铁、锌、锰、铅和砷,加标回收结果满意。

引用

页码：261 / 264

页数：4

共 19 条

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