2009YS/T 226.11-2009 Methods for chemical analysis of selenium.Part 11:Determination of lead content.Flame atomic absorption spectrometry
1970YS/T 226.12-1994 Determination of lead content in selenium (oscillopolarographic method)
YS/T 226.12-1994 Determination of lead content in selenium (oscillopolarographic method) was changed to YS/T 226.11-2009 Methods for chemical analysis of selenium.Part 11:Determination of lead content.Flame atomic absorption spectrometry.