ICP-AES法测定聚丙烯中钙、镁、铁、铝、钛的含量

Analysis of Ca,Mg,Fe,Al,Ti in Polypropylene by ICP-AES

应用ICP -AES分析方法测定聚丙烯中钙、镁、铁、铝、钛的含量。研究了酸度及共存元素对被测元素的影响 ,选择了合适的分析谱线及ICP -AES工作参数。同时进行了方法精密度试验 ,相对标准偏差小于 5 % ,标准加入回收率 91%～ 10 7%。本法简单、快速。

An ICP AES analytical method for Ca,Mg,Fe,Al,Ti in polypropylene was reported.The influence of acidity and coexisting elements on the elements determined was studied.The best analytical wavelength and the operating parameter for ICP AES was selected.The accuracy of the method was tested,with a relative standard deviation of below 5%,and a sample recovery of 91%～107%.This method is simple,rapid and accurate.