GB/T 6609.30-2009
氧化铝化学分析方法和物理性能测定方法.第30部分:X射线荧光光谱法测定微量元素含量
Chemical analysis methods and determination of physical performance of alumina.Part 30:X-ray fluorescence spectrometric method for the determination content of trace elements
GBT6609.30-2009, GB6609.30-2009