This standard specifies the method for the determination of selenium content in lead and lead alloys. This standard applies to the determination of selenium content in lead and lead alloys. The measurement range is 0.005 0% to 0.10%.
GB/T 4103.7-2000 history
2018GB/T 4103.17-2018 Method for chemical analysis of lead and lead alloys—Part 17: Determination of sodium, magnesium contents—Flame atomic absorption spectrometry
2012GB/T 4103.7-2012 Methods for chemical analysis of lead and lead alloys.Part 7:Determination of selenium content
2000GB/T 4103.7-2000 Methods for chemical analysis of lead and lead alloys Determination of selenium content