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采用火焰原子吸收法测定正常引产胎儿羊水中Cu、Zn、Ca、Mg四种元素。Cu、Zn、Ca、Mg在4～6月胎儿羊水中总体含量差异有显著性,羊水中各元素的含量依次为Mg>Ca>Zn>Cu。4～6月羊水中Ca、Cu、Zn、Mg的含量与月龄呈线性相关。
Determination of four elements of Cu, Zn, Ca and Mg in amniotic fluid of normal induced labor by flame atomic absorption spectrometry. The total contents of Cu, Zn, Ca and Mg in fetal amniotic fluid from April to June were significantly different. The content of each element in amniotic fluid was Mg> Ca> Zn> Cu. The contents of Ca, Cu, Zn and Mg in amniotic fluid from April to June were linearly correlated with age.