摘要
采用HNO3-HClO4消解体系在常温常压条件下对杜仲雄花样品进行消解，运用火焰原子吸收光谱法测定了杜仲雄花中的K、Na、Ca、Mg、Cu、Fe、Mn、Zn、Pb、Cd10种元素含量，进行10种元素仪器的最佳工作条件选择及方法的准确度和精密度试验，在选定的仪器工作条件下，该方法标准曲线线性良好，相关系数为0．999；加标回收率为90．0％～102．09／6；相对标准偏差（RSD，n=8）为0．95％～6．25％。结果表明，杜仲雄花中富含K、Ca、Cu、Fe、Mn等元素，Zn含量很低，杜仲雄花中矿质元素K／Na及Cu／Zn值较高。
The contents of 10 elements （K, Na, Ca, Mg, Cu, Fe, Mn, Zn,Pb,Cd） in male flower of Eucommia ulmoides were analyzed by atomic adsorption spectrophotometry with HNOa-HC104 digesting system under normal temperature and pressure, and the selection for optimal analyzing conditions and precision, accuracy of proposed method were conducted. The co-relationship coefficient was 0. 999, relative standard deviation was 0. 95%-6. 25% （n=8）, and added standard recovery was 90.0%-102.0%. The results indicated that K, Ca, Cu, Fe, and Mn were rich in the flower and Zn was very low. It was also discovered that the ratios of K/Na and Cu/Zn were high.
出处
《西北林学院学报》
CSCD
北大核心
2009年第5期129-131,共3页
Journal of Northwest Forestry University
关键词
杜仲雄花
原子吸收光谱法
矿质元素
分析评价
Eucommia ulmoides male flowers atomic adsorption spectrophotometrys minerals analysis and assessment
