摘要
采用微波消解银杏叶茶样品，电感耦合等离子体质谱法（ICP—MS）同时测定试样中As、Cr、Cu、Co、Pb、Hg、Bi、Ba、Be、Li、Ni、Sr、Ti、V、Zn、Mn、Mo、Sb、Se微量元素含量，同时对方法学进行考察。结果表明，此方法测定的各元素的相对标准偏差在1．22％。9．75％之间，加标回收率在91．9％～103．9％之间，此方法具有较高的精密度和加标回收率，适用于生物样品中多种金属元素的测定。ICP—MS法为银杏叶的开发和利用提供了科学依据。
A method for simultaneously determination of trace elements including As,Cr,Cu,Co,Pb,Hg, Bi,Ba,Be,Li,Ni,Sr,Ti,V,Zn,Mn,Mo,Sb and Se in ginkgo biloba tea by microwave digestion and ICP-MS was studied,while the methodology was investigatied. The result showed that the relative standard deviation of each elements was between 1.22%-9.75%, the recovery rate of standard addition was between 91.9%-103.9%. The method had a higher precision and recovery rate, and was suitable for determination of various metal elements in biological sample. It provided scientific basis for the development and utilization of ginkgo leaf.
出处
《化学与粘合》
CAS
2015年第4期310-312,共3页
Chemistry and Adhesion
