【摘要】 用原子吸收光谱法测定了彝药"七底"中的Ca、Mg、Fe和Zn元素的含量。结果表明,该方法的相关系数≥0.9943;测定样品的相对标准偏差为2.84%～4.35%;样品的回收率在94%～105%之间,表明该方法准确、可靠。更多还原

【Abstract】 The Ca,Mg,Fe and Zn in Qidi were determined by flame atomic absorption spectrometry(FAAS).The result shows that the correlative coefficient of the method is≥0.9943,the RSD of the method w as in the range of 2.84%~4.35%,and recoveries in the range of 94%~105%.The method is accurate and satisfying.更多还原