YS/T 229.1-1994 Determination of silver, copper, bismuth, aluminum, nickel, tin, magnesium and iron in high-purity lead (chemical spectroscopy) (English Version)
2013YS/T 229.1-2013 Methods for chemical analysis of high pure lead.Part 1:Determination of silver, copper, bismuth, aluminum, nickel, tin, magnesium and iron contents.Atomic emission spectrometer
1970YS/T 229.1-1994 Determination of silver, copper, bismuth, aluminum, nickel, tin, magnesium and iron in high-purity lead (chemical spectroscopy)