This standard specifies the method for the determination of antimony content in aluminum and aluminum alloys. This standard applies to the determination of antimony content in aluminum and aluminum alloys. Measuring range: 0.004% to 0.25%.
GB/T 6987.23-2001 history
2020GB/T 20975.23-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 23:Determination of antimony content
2008GB/T 20975.23-2008 Methods for chemical analysis of aluminium and aluminium alloys.Part 23: Determination of antimony content.Potassium iodide spectrophotometric method
2001GB/T 6987.23-2001 Aluminium and aluminium alloys--Determination of antimony content--Potassium iodide spectrophotometric method
GB/T 6987.23-2001 Aluminium and aluminium alloys--Determination of antimony content--Potassium iodide spectrophotometric method was changed to GB/T 20975.23-2008 Methods for chemical analysis of aluminium and aluminium alloys.Part 23: Determination of antimony content.Potassium iodide spectrophotometric method.