This standard specifies the method for the determination of zirconium content in aluminum and aluminum alloys. This standard applies to the determination of zirconium content in aluminum and aluminum alloys. Measuring range: 0.040% to 0.50%.
GB/T 6987.19-2001 history
2020GB/T 20975.19-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 19:Determination of zirconium content
2008GB/T 20975.19-2008 Methods for chemical analysis of aluminium and aluminium alloys.Part 19: Determination of zirconium content
2001GB/T 6987.19-2001 Aluminium and aluminium alloys--Determination of zirconium content--Xylenol orange photometric method
GB/T 6987.19-2001 Aluminium and aluminium alloys--Determination of zirconium content--Xylenol orange photometric method was changed to GB/T 20975.19-2008 Methods for chemical analysis of aluminium and aluminium alloys.Part 19: Determination of zirconium content.