中文摘要：

乳粉现已成为人们日常生活中的一种非常重要的营养食品,含有人体所需的各种蛋白质、脂肪及微量元素。由于近几年频繁出现的三鹿乳粉与＂大头娃娃＂等事件,让人们在关注乳粉安全。原因是乳粉中的微量元素的含量不符合国家食品安全标准,主要测定乳粉中几种微量元素的含量,并进行对比分析。采用微波消解法处理乳粉样品,利用电感耦合等离子体原子发射光谱法测定乳粉中微量元素的组成及含量。结果表明,乳粉中含有大量的对人体健康、儿童发育有益的钙、镁、铁、锌等微量元素。该方法简单、快速、准确性好,回收率在96.7%-101%之间,结果令人满意。

英文摘要：

Milk powder is a very important nutritional food in daily life, which contains all kinds of protein, fat and trace elements. Because in recent years, the frequent emergence of Sanlu milk powder and big baby and other events, so that people concerned about the safety of milk powder. The reason is that the content of trace elements in milk powder does not meet the national food safety standards, this paper mainly to determine the contents of several trace elements in milk powder, and the comparative analysis. The composition and content of trace elements in milk powder were determined by inductively coupled atomic emission spectrometry with microwave digestion. The results showed that the milk powder contained a lot of calcium, magnesium, iron, zinc and other trace elements, which were beneficial to human health and children＇s development. The method is simple, rapid and accurate, and the recovery rate is between 96.7%～101%. The result is satisfactory.