YS/T 806-2020 Chemical analysis methods for aluminum and aluminum alloys Determination of elemental content X-ray fluorescence spectrometry (English Version)
2020YS/T 806-2020 Chemical analysis methods for aluminum and aluminum alloys Determination of elemental content X-ray fluorescence spectrometry
2012YS/T 806-2012 Chemical analysis method for rare earth in aluminium and aluminium alloys.Determination of La,Ce,Pr,Nd,Sm contents X-ray fluorescence spectrometric method