CB/T 3905.6-1999 Methods of chemical analysis of tin-based bearing alloys-Atomic absorption spectrophotometry for determination of copper content (English Version)
2005CB/T 3905.6-2005 Method for chemical analysis of tin-base bearing alloy - Part 6: Atomic absorption spectrographic method for the determination of copper content
1989CB/T 3905.6-1999 Methods of chemical analysis of tin-based bearing alloys-Atomic absorption spectrophotometry for determination of copper content