to determine the impurity composition, medical talc powder (mtp) is analyzed by icp-ms for the contents of the main elements and the harmful elements in acid-solution of mtp.
为考察国内不同产区药用滑石粉酸溶物杂质组成情况,采用电感耦合等离子体质谱法(icp-ms)分析药用滑石粉中酸溶物杂质成分的种类与含量,测定其中主要金属离子和代表性有害元素的含量。