GB/T 8005 Aluminium and aluminium alloys--Terms and definitions
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 20975.17-2020 history
2020GB/T 20975.17-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 17: Determination of strontium content
2008GB/T 20975.17-2008 Methods for chemical analysis of aluminium and aluminium alloys.Part 17:Determination of strontium content.Flame atomic absorption spectrometric method
2001GB/T 6987.28-2001 Aluminium and aluminium alloys--Determination of strontium content--Flame atomic absorption spectrometric method