This standard specifies the method for the determination of silicon content in aluminum and aluminum alloys. This standard applies to the determination of silicon content in aluminum and aluminum alloys. Measuring range: 0.30% to 25.00%.
GB/T 6987.5-2001 history
2020GB/T 20975.5-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 5:Determination of silicon content
2008GB/T 20975.5-2008 Methods for chemical analysis of aluminium and aluminium alloys .Part 5:Determination of silicon content
2001GB/T 6987.5-2001 Aluminium and aluminium alloys--Determination of silicon content--Gravimetric method
GB/T 6987.5-2001 Aluminium and aluminium alloys--Determination of silicon content--Gravimetric method was changed to GB/T 20975.5-2008 Methods for chemical analysis of aluminium and aluminium alloys .Part 5:Determination of silicon content.