【摘要】 目的:建立原子吸收光谱法测定沙枣叶不同生长时期9种生命活动所必需矿物元素(钾、钠、钙、铁、铜、镁、锌、锰、锶)含量测定方法;比较不同消化体系对测定结果的影响。方法:原子吸收光谱法。结果:沙枣叶中铁、锌、锰、铜含量在不同生长时期差异明显,其他几种元素含量均丰富,并且微波消化的效果优于湿法消化。结论:本方法具有灵敏度高、选择性好、准确度较高及分析速度快等特点。更多还原

【Abstract】 Objective:This text sets up atom absorbing spectrometry method on determating the trace elements(K,Ca,Na,Mg,Zn,Cu,Sr,Mn,Fe) in the leaves of elaeagnus angustifol and compares the different measurements of assimilate on results.Methods:The atom absorbing spectrometry method was used.Results:The contents of Zn,Cu,Mn,Fe were different during the different growing time and others were all richful.Conclusion:The method has high sensitivity,better choice,less interaction,high accurity and analysed quickly.更多还原