摘要
采用微波消解-电感耦合等离子体质谱法测定枸杞中微量锂、铍、钇、镧、铬、镉、镍等12种元素。RSD值均低于10%符合痕量分析要求,对国家标准物质(SRM)进行了分析,测得值与标准参考值相吻合。该法灵敏度、精密度和准确度都能满足有关标准的要求,具有多元素同时分析、样品前处理简单、干扰少、测定快速准确,省时省力等优点。
The 12 kinds of trace element such as Li, Be,Y, La, Cr, Cd, Ni ect. in Lycium were determined by ICP-MS with microwave Assisted digestion. All elements of RSD values were lower than 10 % which meets the requirement of trace analysis. The national standard on the material （ SRM ） was analyzed by this method in agreement with certified values. The results shows that this method with the advantages of simple operation, less interference, rapidly, high sensitivity and multi element can be simultaneous analyzed in single injection.This method has been applied to the determination of trace element in lycium with satisfactory results.
出处
《食品研究与开发》
CAS
北大核心
2012年第11期148-150,共3页
Food Research and Development
基金
2009国家科技支撑项目(2009BA172B00)
