X射线荧光光谱法在聚丙烯灰分测定中的应用

Application of X-ray Fluorescence Spectrometer in Determination of Ash Content in PP Products

介绍了一种采用 X 射线荧光光谱法分析聚丙烯产品 L5E89中灰分含量的方法。实验结果表明，X射线荧光光谱法测定灰分中相关的金属氧化物的精密度在0.03%～1.76%之间，与质量法比较，相对误差在-3.87%～2.80%之间。该法分析速度快，操作简便，精密度和准确度能够满足生产需要。

Ash content in PP product（Type：L5E89）was analyzed with X-ray fluorescence spectrometer（XRF）. The experimental results show that the test precision of interrelated metal oxide in ash is between 0.03%～1.76%. Compared with weighting method,the relative error is between -3.87%~2.80%. The method is fast and simple. Its precision and accuracy can meet the production need.