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为了解金昌市学龄前儿童微量元素的营养状况 ,笔者采用原子吸收光谱法对金昌市 5岁以下儿童 5 12名 (男童 2 72名 ,女童 2 40名 )进行了头发中锌 (Ｚｎ)、铁 (Ｆｅ)、钙 (Ｃａ)、铜 (Ｃｕ) 4种元素含量的测定。检测对象的发样取自枕部头发距头皮 1～ 5ｃｍ内 ,采每名儿童发样 0
In order to understand the nutritional status of trace elements in pre-school children in Jinchang, the author used atomic absorption spectrometry to detect Zn (Zn) in hair of 5 12 children under 5 years old (2 72 boys and 2 40 girls) Determination of four elements of iron (Fe), calcium (Ca) and copper (Cu). Detection of the hair samples taken from the occipital hair from the scalp 1 ~ 5cm, mining samples for each child 0