This standard specifies the method for the determination of beryllium content in aluminum and aluminum alloys. This standard applies to the determination of beryllium content in aluminum and aluminum alloys. Measuring range: 0.00010% to 0.40%.
GB/T 6987.22-2001 history
2020GB/T 20975.22-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 22:Determination of beryllium content
2008GB/T 20975.22-2008 Methods for chemical analysis of aluminium and aluminium alloys.Part 22: Determination of beryllium content.SCR spetrophotometric method
2001GB/T 6987.22-2001 Aluminium and aluminium alloys--Determination of beryllium content--SCR spectrophotometric method
GB/T 6987.22-2001 Aluminium and aluminium alloys--Determination of beryllium content--SCR spectrophotometric method was changed to GB/T 20975.22-2008 Methods for chemical analysis of aluminium and aluminium alloys.Part 22: Determination of beryllium content.SCR spetrophotometric method.