Method 1: This method specifies the determination method of zirconium content in aluminum and aluminum alloys. This method is applicable to the determination of zirconium content in aluminum and aluminum alloys. Measuring range: 0.040% to 0.50%. Method 2: This method specifies the determination method of zirconium content in aluminum and aluminum alloys. This method is applicable to the determination of zirconium content in aluminum and aluminum alloys. Measuring range: 0.01% to 0.30%.
GB/T 20975.19-2008 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 20975.19-2008 Methods for chemical analysis of aluminium and aluminium alloys.Part 19: Determination of zirconium content has been changed from GB/T 6987.19-2001 Aluminium and aluminium alloys--Determination of zirconium content--Xylenol orange photometric method.