CB/T 3905.12-1999 Chemical Analysis Methods of Tin-based Bearing Alloys-Atomic Absorption Spectrophotometry for Determination of Iron Content (English Version)
2005CB/T 3905.12-2005 Method for chemical analysis of tin-base bearing alloy - Part 12: Atomic absorption spectrographic method for the determination of iron content
1989CB/T 3905.12-1999 Chemical Analysis Methods of Tin-based Bearing Alloys-Atomic Absorption Spectrophotometry for Determination of Iron Content