Chemical analysis of ferroniobium . determination of niobium by x ray fluorescence spectrometry 铌铁合金的化学分析. x射线荧光光谱法测定铌
2.
Plastics used for food container and package - part 5 : determination of elemental content in polyolefins - x ray fluorescence spectrometry 食品容器包装用塑料原料.第5部分:聚烯烃中杂质元素含量的测定. x射线荧光光谱法